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12202112112021 = 331334763852171
BaseRepresentation
bin1011000110010000011010…
…0011101101010110010101
31121012111210011200012022000
42301210012203231112111
53044404411200041041
641541323430025513
72366400466430346
oct261440643552625
947174704605260
1012202112112021
1139849831a7027
121450a267a8299
136a686747a890
1430282a3c00cd
15162611a00bb6
hexb19068ed595

12202112112021 has 16 divisors (see below), whose sum is σ = 19467757216320. Its totient is φ = 7508992068720.

The previous prime is 12202112112013. The next prime is 12202112112023. The reversal of 12202112112021 is 12021121120221.

12202112112021 is a `hidden beast` number, since 1 + 220 + 211 + 211 + 2 + 0 + 21 = 666.

It is not a de Polignac number, because 12202112112021 - 23 = 12202112112013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12202112111985 and 12202112112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202112112023) 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, 17381925735 + ... + 17381926436.

It is an arithmetic number, because the mean of its divisors is an integer number (1216734826020).

Almost surely, 212202112112021 is an apocalyptic number.

It is an amenable number.

12202112112021 is a deficient number, since it is larger than the sum of its proper divisors (7265645104299).

12202112112021 is a wasteful number, since it uses less digits than its factorization.

12202112112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34763852193 (or 34763852187 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12202112112021 its reverse (12021121120221), we get a palindrome (24223233232242).

It can be divided in two parts, 1 and 2202112112021, that added together give a palindrome (2202112112022).

The spelling of 12202112112021 in words is "twelve trillion, two hundred two billion, one hundred twelve million, one hundred twelve thousand, twenty-one".

Divisors: 1 3 9 13 27 39 117 351 34763852171 104291556513 312874669539 451930078223 938624008617 1355790234669 4067370704007 12202112112021