22125304035212 has 48 divisors (see below), whose sum is σ = 45139040610048. Its totient is φ = 9293331579840.

The previous prime is 22125304035151. The next prime is 22125304035229. The reversal of 22125304035212 is 21253040352122.

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, 29564114 + ... + 30303257.

It is an arithmetic number, because the mean of its divisors is an integer number (940396679376).

Almost surely, 2^{22125304035212} is an apocalyptic number.

It is an amenable number.

22125304035212 is an abundant number, since it is smaller than the sum of its proper divisors (23013736574836).

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

22125304035212 is a wasteful number, since it uses less digits than its factorization.

22125304035212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59867646 (or 59867644 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 22125304035212 its reverse (21253040352122), we get a palindrome (43378344387334).

The spelling of 22125304035212 in words is "twenty-two trillion, one hundred twenty-five billion, three hundred four million, thirty-five thousand, two hundred twelve".