130012321233221 has 12 divisors (see below), whose sum is σ = 151241928853932. Its totient is φ = 111436843710528.

The previous prime is 130012321233101. The next prime is 130012321233227. The reversal of 130012321233221 is 122332123210031.

It can be written as a sum of positive squares in 2 ways, for example, as 32596803028321 + 97415518204900 = 5709361^2 + 9869930^2 .

It is not a de Polignac number, because 130012321233221 - 2¹⁸ = 130012320971077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130012321233227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24835040 + ... + 29610873.

It is an arithmetic number, because the mean of its divisors is an integer number (12603494071161).

Almost surely, 2^{130012321233221} is an apocalyptic number.

It is an amenable number.

130012321233221 is a deficient number, since it is larger than the sum of its proper divisors (21229607620711).

130012321233221 is an equidigital number, since it uses as much as digits as its factorization.

130012321233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54494660 (or 54494653 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 130012321233221 its reverse (122332123210031), we get a palindrome (252344444443252).

The spelling of 130012321233221 in words is "one hundred thirty trillion, twelve billion, three hundred twenty-one million, two hundred thirty-three thousand, two hundred twenty-one".