10102021312 has 56 divisors (see below), whose sum is σ = 20243938176. Its totient is φ = 5001443328.

The previous prime is 10102021301. The next prime is 10102021339. The reversal of 10102021312 is 21312020101.

It is a junction number, because it is equal to n+sod(n) for n = 10102021292 and 10102021301.

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, 2809788 + ... + 2813380.

It is an arithmetic number, because the mean of its divisors is an integer number (361498896).

Almost surely, 2^10102021312 is an apocalyptic number.

It is an amenable number.

10102021312 is an abundant number, since it is smaller than the sum of its proper divisors (10141916864).

10102021312 is a wasteful number, since it uses less digits than its factorization.

10102021312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025 (or 4015 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10102021312 its reverse (21312020101), we get a palindrome (31414041413).

The spelling of 10102021312 in words is "ten billion, one hundred two million, twenty-one thousand, three hundred twelve".