2113023012 has 24 divisors (see below), whose sum is σ = 4933807200. Its totient is φ = 703852416.

The previous prime is 2113023001. The next prime is 2113023013. The reversal of 2113023012 is 2103203112.

It is a junction number, because it is equal to n+sod(n) for n = 2113022982 and 2113023000.

It is not an unprimeable number, because it can be changed into a prime (2113023013) 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, 42837 + ... + 77852.

It is an arithmetic number, because the mean of its divisors is an integer number (205575300).

Almost surely, 2^2113023012 is an apocalyptic number.

It is an amenable number.

2113023012 is an abundant number, since it is smaller than the sum of its proper divisors (2820784188).

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

2113023012 is a wasteful number, since it uses less digits than its factorization.

2113023012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122155 (or 122153 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2113023012 is about 45967.6300455005. The cubic root of 2113023012 is about 1283.2208542487.

Adding to 2113023012 its reverse (2103203112), we get a palindrome (4216226124).

The spelling of 2113023012 in words is "two billion, one hundred thirteen million, twenty-three thousand, twelve".