120231322013 has 4 divisors (see below), whose sum is σ = 131161442208. Its totient is φ = 109301201820.

The previous prime is 120231321997. The next prime is 120231322031. The reversal of 120231322013 is 310223132021.

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 120231322013 - 2⁴ = 120231321997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120231322093) 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, 5465060081 + ... + 5465060102.

It is an arithmetic number, because the mean of its divisors is an integer number (32790360552).

Almost surely, 2^120231322013 is an apocalyptic number.

It is an amenable number.

120231322013 is a deficient number, since it is larger than the sum of its proper divisors (10930120195).

120231322013 is a wasteful number, since it uses less digits than its factorization.

120231322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10930120194.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 120231322013 its reverse (310223132021), we get a palindrome (430454454034).

It can be divided in two parts, 120231 and 322013, that added together give a palindrome (442244).

The spelling of 120231322013 in words is "one hundred twenty billion, two hundred thirty-one million, three hundred twenty-two thousand, thirteen".