212025426172 has 12 divisors (see below), whose sum is σ = 424050852400. Its totient is φ = 90868039776.

The previous prime is 212025426161. The next prime is 212025426227. The reversal of 212025426172 is 271624520212.

212025426172 is an admirable number.

It is a congruent number.

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, 3786168297 + ... + 3786168352.

Almost surely, 2^212025426172 is an apocalyptic number.

It is an amenable number.

212025426172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212025426172 is a wasteful number, since it uses less digits than its factorization.

212025426172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7572336660 (or 7572336658 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

Adding to 212025426172 its reverse (271624520212), we get a palindrome (483649946384).

The spelling of 212025426172 in words is "two hundred twelve billion, twenty-five million, four hundred twenty-six thousand, one hundred seventy-two".