130012012231 has 4 divisors (see below), whose sum is σ = 131352342352. Its totient is φ = 128671682112.

The previous prime is 130012012219. The next prime is 130012012261. The reversal of 130012012231 is 132210210031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132210210031 = 223 ⋅592870897.

It is a cyclic number.

It is not a de Polignac number, because 130012012231 - 2⁵ = 130012012199 is a prime.

It is a super-2 number, since 2×130012012231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130012012201) 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, 670164915 + ... + 670165108.

It is an arithmetic number, because the mean of its divisors is an integer number (32838085588).

Almost surely, 2^130012012231 is an apocalyptic number.

130012012231 is a deficient number, since it is larger than the sum of its proper divisors (1340330121).

130012012231 is an equidigital number, since it uses as much as digits as its factorization.

130012012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340330120.

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

Adding to 130012012231 its reverse (132210210031), we get a palindrome (262222222262).

The spelling of 130012012231 in words is "one hundred thirty billion, twelve million, twelve thousand, two hundred thirty-one".