2112235417172 has 24 divisors (see below), whose sum is σ = 3741069208800. Its totient is φ = 1043359331616.

The previous prime is 2112235417133. The next prime is 2112235417199. The reversal of 2112235417172 is 2717145322112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12311354 + ... + 12481742.

It is an arithmetic number, because the mean of its divisors is an integer number (155877883700).

Almost surely, 2^{2112235417172} is an apocalyptic number.

It is an amenable number.

2112235417172 is a deficient number, since it is larger than the sum of its proper divisors (1628833791628).

2112235417172 is a wasteful number, since it uses less digits than its factorization.

2112235417172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207815 (or 207813 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The spelling of 2112235417172 in words is "two trillion, one hundred twelve billion, two hundred thirty-five million, four hundred seventeen thousand, one hundred seventy-two".