30212012328 has 64 divisors (see below), whose sum is σ = 79531968000. Its totient is φ = 9537435072.

The previous prime is 30212012321. The next prime is 30212012329. The reversal of 30212012328 is 82321021203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 30212012298 and 30212012307.

It is not an unprimeable number, because it can be changed into a prime (30212012321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1608093 + ... + 1626771.

It is an arithmetic number, because the mean of its divisors is an integer number (1242687000).

Almost surely, 2^30212012328 is an apocalyptic number.

30212012328 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30212012328 is an abundant number, since it is smaller than the sum of its proper divisors (49319955672).

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

30212012328 is a wasteful number, since it uses less digits than its factorization.

30212012328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22254 (or 22250 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 30212012328 in words is "thirty billion, two hundred twelve million, twelve thousand, three hundred twenty-eight".