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11212100202012 = 22319437531123943
BaseRepresentation
bin1010001100101000010100…
…1111111110111000011100
31110200212101112121022110220
42203022011033332320130
52432144340122431022
635502433455001340
72235022203150243
oct243120517767034
943625345538426
1011212100202012
1136330302a0a66
121310b91809250
136343b158c478
142aa9506b995a
151469bc09385c
hexa32853fee1c

11212100202012 has 48 divisors (see below), whose sum is σ = 27539145634560. Its totient is φ = 3540579147648.

The previous prime is 11212100201977. The next prime is 11212100202029. The reversal of 11212100202012 is 21020200121211.

It is a super-2 number, since 2×112121002020122 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212100201982 and 11212100202000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9413713 + ... + 10537655.

It is an arithmetic number, because the mean of its divisors is an integer number (573732200720).

Almost surely, 211212100202012 is an apocalyptic number.

11212100202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212100202012 is an abundant number, since it is smaller than the sum of its proper divisors (16327045432548).

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

11212100202012 is a wasteful number, since it uses less digits than its factorization.

11212100202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167722 (or 1167720 counting only the distinct ones).

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

Adding to 11212100202012 its reverse (21020200121211), we get a palindrome (32232300323223).

The spelling of 11212100202012 in words is "eleven trillion, two hundred twelve billion, one hundred million, two hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 43753 87506 131259 175012 262518 525036 831307 1123943 1662614 2247886 2493921 3325228 3371829 4495772 4987842 6743658 9975684 13487316 21354917 42709834 64064751 85419668 128129502 256259004 49175878079 98351756158 147527634237 196703512316 295055268474 590110536948 934341683501 1868683367002 2803025050503 3737366734004 5606050101006 11212100202012