20102110211212 has 12 divisors (see below), whose sum is σ = 35184244230520. Its totient is φ = 10049469002496.

The previous prime is 20102110211171. The next prime is 20102110211333. The reversal of 20102110211212 is 21211201120102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396497262 + ... + 396547957.

Almost surely, 2^{20102110211212} is an apocalyptic number.

It is an amenable number.

20102110211212 is a deficient number, since it is larger than the sum of its proper divisors (15082134019308).

20102110211212 is a wasteful number, since it uses less digits than its factorization.

20102110211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793051560 (or 793051558 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20102110211212 its reverse (21211201120102), we get a palindrome (41313311331314).

The spelling of 20102110211212 in words is "twenty trillion, one hundred two billion, one hundred ten million, two hundred eleven thousand, two hundred twelve".