30012237948 has 192 divisors, whose sum is σ = 91968307200. Its totient is φ = 7543569600.

The previous prime is 30012237881. The next prime is 30012237991. The reversal of 30012237948 is 84973221003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1392865 + ... + 1414247.

It is an arithmetic number, because the mean of its divisors is an integer number (479001600).

Almost surely, 2^30012237948 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 30012237948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45984153600).

30012237948 is an abundant number, since it is smaller than the sum of its proper divisors (61956069252).

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

30012237948 is a wasteful number, since it uses less digits than its factorization.

30012237948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21453 (or 21437 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 30012237948 in words is "thirty billion, twelve million, two hundred thirty-seven thousand, nine hundred forty-eight".