30113112012012 has 72 divisors (see below), whose sum is σ = 78747311588400. Its totient is φ = 9691175749248.

The previous prime is 30113112011999. The next prime is 30113112012013. The reversal of 30113112012012 is 21021021131103.

30113112012012 is a `hidden beast` number, since 301 + 1 + 311 + 20 + 1 + 20 + 12 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (30113112012013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25212523 + ... + 26379869.

It is an arithmetic number, because the mean of its divisors is an integer number (1093712660950).

Almost surely, 2^{30113112012012} is an apocalyptic number.

It is an amenable number.

30113112012012 is an abundant number, since it is smaller than the sum of its proper divisors (48634199576388).

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

30113112012012 is a wasteful number, since it uses less digits than its factorization.

30113112012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192095 (or 1192090 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 30113112012012 its reverse (21021021131103), we get a palindrome (51134133143115).

The spelling of 30113112012012 in words is "thirty trillion, one hundred thirteen billion, one hundred twelve million, twelve thousand, twelve".