2113452012 has 48 divisors (see below), whose sum is σ = 5687601920. Its totient is φ = 598300992.

The previous prime is 2113451999. The next prime is 2113452013. The reversal of 2113452012 is 2102543112.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2113452012.

It is not an unprimeable number, because it can be changed into a prime (2113452013) 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, 106258 + ... + 124569.

Almost surely, 2^2113452012 is an apocalyptic number.

It is an amenable number.

2113452012 is an abundant number, since it is smaller than the sum of its proper divisors (3574149908).

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

2113452012 is a wasteful number, since it uses less digits than its factorization.

2113452012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230950 (or 230948 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2113452012 is about 45972.2961358251. The cubic root of 2113452012 is about 1283.3076910526.

Adding to 2113452012 its reverse (2102543112), we get a palindrome (4215995124).

The spelling of 2113452012 in words is "two billion, one hundred thirteen million, four hundred fifty-two thousand, twelve".