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120012100021212 = 22371428715476443
BaseRepresentation
bin11011010010011001111110…
…100101110010101111011100
3120201221001012121002210121020
4123102121332211302233130
5111212234240101134322
61103124444142204140
734164405500522010
oct3322317645625734
9521831177083536
10120012100021212
113526a933831243
1211563195583650
1351c7128211839
14218c88c086540
15dd1bcba8205c
hex6d267e972bdc

120012100021212 has 24 divisors (see below), whose sum is σ = 320032266723456. Its totient is φ = 34289171434608.

The previous prime is 120012100021211. The next prime is 120012100021213. The reversal of 120012100021212 is 212120001210021.

120012100021212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (120012100021211) and next prime (120012100021213).

It is a junction number, because it is equal to n+sod(n) for n = 120012100021191 and 120012100021200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012100021211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714357738138 + ... + 714357738305.

It is an arithmetic number, because the mean of its divisors is an integer number (13334677780144).

Almost surely, 2120012100021212 is an apocalyptic number.

120012100021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120012100021212 is an abundant number, since it is smaller than the sum of its proper divisors (200020166702244).

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

120012100021212 is a wasteful number, since it uses less digits than its factorization.

120012100021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428715476457 (or 1428715476455 counting only the distinct ones).

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

Adding to 120012100021212 its reverse (212120001210021), we get a palindrome (332132101231233).

The spelling of 120012100021212 in words is "one hundred twenty trillion, twelve billion, one hundred million, twenty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1428715476443 2857430952886 4286146429329 5714861905772 8572292858658 10001008335101 17144585717316 20002016670202 30003025005303 40004033340404 60006050010606 120012100021212