30212012232 has 32 divisors (see below), whose sum is σ = 83922256800. Its totient is φ = 10070670672.

The previous prime is 30212012219. The next prime is 30212012249. The reversal of 30212012232 is 23221021203.

30212012232 is a `hidden beast` number, since 302 + 120 + 12 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69934998 + ... + 69935429.

It is an arithmetic number, because the mean of its divisors is an integer number (2622570525).

Almost surely, 2^30212012232 is an apocalyptic number.

It is an amenable number.

30212012232 is an abundant number, since it is smaller than the sum of its proper divisors (53710244568).

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

30212012232 is a wasteful number, since it uses less digits than its factorization.

30212012232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139870442 (or 139870432 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30212012232 its reverse (23221021203), we get a palindrome (53433033435).

The spelling of 30212012232 in words is "thirty billion, two hundred twelve million, twelve thousand, two hundred thirty-two".