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12021120010212 = 2234433133772161
BaseRepresentation
bin1010111011101110001010…
…0101101000011111100100
31120120012121112002210012220
42232323202211220133210
53033423223210311322
641322232025112340
72350332363103215
oct256734245503744
946505545083186
1012021120010212
1139151459460a5
1214219349286b0
13692782133151
142d7b7a93140c
1515ca6c17655c
hexaeee29687e4

12021120010212 has 48 divisors (see below), whose sum is σ = 28113883382592. Its totient is φ = 3997811783680.

The previous prime is 12021120010183. The next prime is 12021120010219. The reversal of 12021120010212 is 21201002112021.

It is a junction number, because it is equal to n+sod(n) for n = 12021120010191 and 12021120010200.

It is not an unprimeable number, because it can be changed into a prime (12021120010219) 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, 166551412 + ... + 166623572.

It is an arithmetic number, because the mean of its divisors is an integer number (585705903804).

Almost surely, 212021120010212 is an apocalyptic number.

12021120010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12021120010212 is an abundant number, since it is smaller than the sum of its proper divisors (16092763372380).

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

12021120010212 is a wasteful number, since it uses less digits than its factorization.

12021120010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103948 (or 103946 counting only the distinct ones).

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

Adding to 12021120010212 its reverse (21201002112021), we get a palindrome (33222122122233).

The spelling of 12021120010212 in words is "twelve trillion, twenty-one billion, one hundred twenty million, ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 443 886 1329 1772 2658 5316 31337 62674 72161 94011 125348 144322 188022 216483 288644 376044 432966 865932 13882291 27764582 31967323 41646873 55529164 63934646 83293746 95901969 127869292 166587492 191803938 383607876 2261309257 4522618514 6783927771 9045237028 13567855542 27135711084 1001760000851 2003520001702 3005280002553 4007040003404 6010560005106 12021120010212