30332012312 has 64 divisors (see below), whose sum is σ = 67930790400. Its totient is φ = 12414504960.

The previous prime is 30332012309. The next prime is 30332012327. The reversal of 30332012312 is 21321023303.

It is a congruent number.

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, 807239 + ... + 843977.

It is an arithmetic number, because the mean of its divisors is an integer number (1061418600).

Almost surely, 2^30332012312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30332012312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33965395200).

30332012312 is an abundant number, since it is smaller than the sum of its proper divisors (37598778088).

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

30332012312 is a wasteful number, since it uses less digits than its factorization.

30332012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37416 (or 37412 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30332012312 its reverse (21321023303), we get a palindrome (51653035615).

The spelling of 30332012312 in words is "thirty billion, three hundred thirty-two million, twelve thousand, three hundred twelve".