2112431072472 has 96 divisors (see below), whose sum is σ = 6539201959680. Its totient is φ = 603484827840.

The previous prime is 2112431072471. The next prime is 2112431072519. The reversal of 2112431072472 is 2742701342112.

2112431072472 is a `hidden beast` number, since 2 + 112 + 4 + 3 + 1 + 0 + 72 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112431072471) 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, 4410597 + ... + 4866027.

It is an arithmetic number, because the mean of its divisors is an integer number (68116687080).

Almost surely, 2^{2112431072472} is an apocalyptic number.

It is an amenable number.

2112431072472 is an abundant number, since it is smaller than the sum of its proper divisors (4426770887208).

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

2112431072472 is a wasteful number, since it uses less digits than its factorization.

2112431072472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464653 (or 464646 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 2112431072472 in words is "two trillion, one hundred twelve billion, four hundred thirty-one million, seventy-two thousand, four hundred seventy-two".