1232012113 has 4 divisors (see below), whose sum is σ = 1234542400. Its totient is φ = 1229481828.

The previous prime is 1232012101. The next prime is 1232012123. The reversal of 1232012113 is 3112102321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1232012113 - 2⁹ = 1232011601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232012123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264413 + ... + 1265386.

It is an arithmetic number, because the mean of its divisors is an integer number (308635600).

Almost surely, 2^1232012113 is an apocalyptic number.

It is an amenable number.

1232012113 is a deficient number, since it is larger than the sum of its proper divisors (2530287).

1232012113 is an equidigital number, since it uses as much as digits as its factorization.

1232012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530286.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1232012113 is about 35100.0300997022. The cubic root of 1232012113 is about 1072.0251955470.

Adding to 1232012113 its reverse (3112102321), we get a palindrome (4344114434).

The spelling of 1232012113 in words is "one billion, two hundred thirty-two million, twelve thousand, one hundred thirteen".