22010221011212 has 48 divisors (see below), whose sum is σ = 44318244247872. Its totient is φ = 9369351613440.

The previous prime is 22010221011203. The next prime is 22010221011239. The reversal of 22010221011212 is 21211012201022.

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, 2006063 + ... + 6931430.

It is an arithmetic number, because the mean of its divisors is an integer number (923296755164).

Almost surely, 2^{22010221011212} is an apocalyptic number.

It is an amenable number.

22010221011212 is an abundant number, since it is smaller than the sum of its proper divisors (22308023236660).

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

22010221011212 is a wasteful number, since it uses less digits than its factorization.

22010221011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8938098 (or 8938096 counting only the distinct ones).

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

Adding to 22010221011212 its reverse (21211012201022), we get a palindrome (43221233212234).

The spelling of 22010221011212 in words is "twenty-two trillion, ten billion, two hundred twenty-one million, eleven thousand, two hundred twelve".