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202101212100012 = 223173317307101761
BaseRepresentation
bin101101111100111101011010…
…111101001011010110101100
3222111120200112221220022102020
4231330331122331023112230
5202442211240244200022
61553500003133030140
760366221303423421
oct5574753275132654
9874520487808366
10202101212100012
115943970850a985
121a80069b025350
1388a00a74a2814
1437c9a724d3d48
1518571b28d235c
hexb7cf5af4b5ac

202101212100012 has 48 divisors (see below), whose sum is σ = 475791531459552. Its totient is φ = 66766379438080.

The previous prime is 202101212099999. The next prime is 202101212100037. The reversal of 202101212100012 is 210001212101202.

It is a junction number, because it is equal to n+sod(n) for n = 202101212099964 and 202101212100000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152892789 + ... + 154208972.

It is an arithmetic number, because the mean of its divisors is an integer number (9912323572074).

Almost surely, 2202101212100012 is an apocalyptic number.

It is an amenable number.

202101212100012 is an abundant number, since it is smaller than the sum of its proper divisors (273690319359540).

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

202101212100012 is a wasteful number, since it uses less digits than its factorization.

202101212100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307102258 (or 307102256 counting only the distinct ones).

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

Adding to 202101212100012 its reverse (210001212101202), we get a palindrome (412102424201214).

The spelling of 202101212100012 in words is "two hundred two trillion, one hundred one billion, two hundred twelve million, one hundred thousand, twelve".

Divisors: 1 2 3 4 6 12 173 317 346 519 634 692 951 1038 1268 1902 2076 3804 54841 109682 164523 219364 329046 658092 307101761 614203522 921305283 1228407044 1842610566 3685221132 53128604653 97351258237 106257209306 159385813959 194702516474 212514418612 292053774711 318771627918 389405032948 584107549422 637543255836 1168215098844 16841767675001 33683535350002 50525303025003 67367070700004 101050606050006 202101212100012