2112321201432 has 32 divisors (see below), whose sum is σ = 5687018620080. Its totient is φ = 649944984960.

The previous prime is 2112321201421. The next prime is 2112321201433. The reversal of 2112321201432 is 2341021232112.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112321201433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3385129819 + ... + 3385130442.

Almost surely, 2^{2112321201432} is an apocalyptic number.

It is an amenable number.

2112321201432 is an abundant number, since it is smaller than the sum of its proper divisors (3574697418648).

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

2112321201432 is a wasteful number, since it uses less digits than its factorization.

2112321201432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770260283 (or 6770260279 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2112321201432 its reverse (2341021232112), we get a palindrome (4453342433544).

The spelling of 2112321201432 in words is "two trillion, one hundred twelve billion, three hundred twenty-one million, two hundred one thousand, four hundred thirty-two".