2113312001232 has 160 divisors (see below), whose sum is σ = 5713050341376. Its totient is φ = 672515584000.

The previous prime is 2113312001147. The next prime is 2113312001239. The reversal of 2113312001232 is 2321002133112.

It is a super-2 number, since 2×2113312001232² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2113312001199 and 2113312001208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113312001239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39921982 + ... + 39974882.

Almost surely, 2^{2113312001232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113312001232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2856525170688).

2113312001232 is an abundant number, since it is smaller than the sum of its proper divisors (3599738340144).

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

2113312001232 is a wasteful number, since it uses less digits than its factorization.

2113312001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53389 (or 53383 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2113312001232 its reverse (2321002133112), we get a palindrome (4434314134344).

The spelling of 2113312001232 in words is "two trillion, one hundred thirteen billion, three hundred twelve million, one thousand, two hundred thirty-two".