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2021012202012 = 223330151020201
BaseRepresentation
bin11101011010001101101…
…101101110001000011100
321011012120211000022100020
4131122031231232020130
5231103013110431022
64144235025232140
7266004365163156
oct35321555561034
97135524008306
102021012202012
1170a1197781a1
12287828a92650
1311877185c0bb
146db6337bad6
1537887a3a35c
hex1d68db6e21c

2021012202012 has 24 divisors (see below), whose sum is σ = 4717123796112. Its totient is φ = 673466640000.

The previous prime is 2021012201933. The next prime is 2021012202029. The reversal of 2021012202012 is 2102022101202.

It is a junction number, because it is equal to n+sod(n) for n = 2021012201982 and 2021012202000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25470489 + ... + 25549712.

It is an arithmetic number, because the mean of its divisors is an integer number (196546824838).

Almost surely, 22021012202012 is an apocalyptic number.

It is an amenable number.

2021012202012 is an abundant number, since it is smaller than the sum of its proper divisors (2696111594100).

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

2021012202012 is a wasteful number, since it uses less digits than its factorization.

2021012202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51023509 (or 51023507 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2021012202012 its reverse (2102022101202), we get a palindrome (4123034303214).

The spelling of 2021012202012 in words is "two trillion, twenty-one billion, twelve million, two hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 3301 6602 9903 13204 19806 39612 51020201 102040402 153060603 204080804 306121206 612242412 168417683501 336835367002 505253050503 673670734004 1010506101006 2021012202012