30212125164 has 72 divisors (see below), whose sum is σ = 83235118512. Its totient is φ = 9184026240.

The previous prime is 30212125091. The next prime is 30212125183. The reversal of 30212125164 is 46152121203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350047 + ... + 427734.

Almost surely, 2^30212125164 is an apocalyptic number.

It is an amenable number.

30212125164 is an abundant number, since it is smaller than the sum of its proper divisors (53022993348).

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

30212125164 is a wasteful number, since it uses less digits than its factorization.

30212125164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777887 (or 777882 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 30212125164 its reverse (46152121203), we get a palindrome (76364246367).

The spelling of 30212125164 in words is "thirty billion, two hundred twelve million, one hundred twenty-five thousand, one hundred sixty-four".