30112120033400 has 48 divisors (see below), whose sum is σ = 70017084263400. Its totient is φ = 12043746046080.

The previous prime is 30112120033399. The next prime is 30112120033433. The reversal of 30112120033400 is 433002121103.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4694027 + ... + 9069626.

Almost surely, 2^{30112120033400} is an apocalyptic number.

It is an amenable number.

30112120033400 is an abundant number, since it is smaller than the sum of its proper divisors (39904964230000).

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

30112120033400 is a wasteful number, since it uses less digits than its factorization.

30112120033400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13774608 (or 13774599 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30112120033400 its reverse (433002121103), we get a palindrome (30545122154503).

The spelling of 30112120033400 in words is "thirty trillion, one hundred twelve billion, one hundred twenty million, thirty-three thousand, four hundred".