2112432401 has 16 divisors (see below), whose sum is σ = 2248888320. Its totient is φ = 1979918160.

The previous prime is 2112432397. The next prime is 2112432403. The reversal of 2112432401 is 1042342112.

It is a cyclic number.

It is not a de Polignac number, because 2112432401 - 2² = 2112432397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112432403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446816 + ... + 451518.

It is an arithmetic number, because the mean of its divisors is an integer number (140555520).

Almost surely, 2^2112432401 is an apocalyptic number.

It is an amenable number.

2112432401 is a deficient number, since it is larger than the sum of its proper divisors (136455919).

2112432401 is a wasteful number, since it uses less digits than its factorization.

2112432401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2112432401 is about 45961.2053910687. The cubic root of 2112432401 is about 1283.1012854333.

Adding to 2112432401 its reverse (1042342112), we get a palindrome (3154774513).

The spelling of 2112432401 in words is "two billion, one hundred twelve million, four hundred thirty-two thousand, four hundred one".