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10021212001212 = 2235988316029733
BaseRepresentation
bin1001000111010011111011…
…0010000001001110111100
31022111000111111100120011220
42101310332302001032330
52303141420233014322
633151403051513340
72053002655362366
oct221647662011674
938430444316156
1010021212001212
113213a76a16535
12115a217758850
13578cc496a029
1426905a389d36
15125a1c2ba55c
hex91d3ec813bc

10021212001212 has 48 divisors (see below), whose sum is σ = 23806078558080. Its totient is φ = 3280067880768.

The previous prime is 10021212001211. The next prime is 10021212001279. The reversal of 10021212001212 is 21210021212001.

10021212001212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×100212120012123 (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021212001191 and 10021212001200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021212001211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7389703 + ... + 8640030.

It is an arithmetic number, because the mean of its divisors is an integer number (495959969960).

Almost surely, 210021212001212 is an apocalyptic number.

10021212001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10021212001212 is an abundant number, since it is smaller than the sum of its proper divisors (13784866556868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10021212001212 is a wasteful number, since it uses less digits than its factorization.

10021212001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16030682 (or 16030680 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10021212001212 its reverse (21210021212001), we get a palindrome (31231233213213).

It can be divided in two parts, 10021212001 and 212, that multiplied together give a palindrome (2124496944212).

The spelling of 10021212001212 in words is "ten trillion, twenty-one billion, two hundred twelve million, one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 883 1766 2649 3532 5298 10596 52097 104194 156291 208388 312582 625164 16029733 32059466 48089199 64118932 96178398 192356796 945754247 1891508494 2837262741 3783016988 5674525482 11349050964 14154254239 28308508478 42462762717 56617016956 84925525434 169851050868 835101000101 1670202000202 2505303000303 3340404000404 5010606000606 10021212001212