30011232131200 has 48 divisors (see below), whose sum is σ = 74137121882010. Its totient is φ = 12004492851200.

The previous prime is 30011232131197. The next prime is 30011232131311. The reversal of 30011232131200 is 213123211003.

It can be written as a sum of positive squares in 3 ways, for example, as 24832840361536 + 5178391769664 = 4983256^2 + 2275608^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4689251821 + ... + 4689258220.

Almost surely, 2^{30011232131200} is an apocalyptic number.

It is an amenable number.

30011232131200 is an abundant number, since it is smaller than the sum of its proper divisors (44125889750810).

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

30011232131200 is an equidigital number, since it uses as much as digits as its factorization.

30011232131200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9378510065 (or 9378510048 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30011232131200 its reverse (213123211003), we get a palindrome (30224355342203).

The spelling of 30011232131200 in words is "thirty trillion, eleven billion, two hundred thirty-two million, one hundred thirty-one thousand, two hundred".