20211010122212 has 48 divisors (see below), whose sum is σ = 43641057626880. Its totient is φ = 7975424426112.

The previous prime is 20211010122181. The next prime is 20211010122253. The reversal of 20211010122212 is 21222101011202.

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, 69785912 + ... + 70074927.

It is an arithmetic number, because the mean of its divisors is an integer number (909188700560).

Almost surely, 2^{20211010122212} is an apocalyptic number.

It is an amenable number.

20211010122212 is an abundant number, since it is smaller than the sum of its proper divisors (23430047504668).

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

20211010122212 is a wasteful number, since it uses less digits than its factorization.

20211010122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139861260 (or 139861258 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20211010122212 its reverse (21222101011202), we get a palindrome (41433111133414).

The spelling of 20211010122212 in words is "twenty trillion, two hundred eleven billion, ten million, one hundred twenty-two thousand, two hundred twelve".