120231500021513 has 4 divisors (see below), whose sum is σ = 120237504711168. Its totient is φ = 120225495331860.

The previous prime is 120231500021491. The next prime is 120231500021539. The reversal of 120231500021513 is 315120005132021.

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 120231500021513 - 2⁶ = 120231500021449 is a prime.

It is a super-2 number, since 2×120231500021513² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120231500021573) 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, 3002314793 + ... + 3002354838.

It is an arithmetic number, because the mean of its divisors is an integer number (30059376177792).

Almost surely, 2^{120231500021513} is an apocalyptic number.

It is an amenable number.

120231500021513 is a deficient number, since it is larger than the sum of its proper divisors (6004689655).

120231500021513 is an equidigital number, since it uses as much as digits as its factorization.

120231500021513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6004689654.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 120231500021513 its reverse (315120005132021), we get a palindrome (435351505153534).

The spelling of 120231500021513 in words is "one hundred twenty trillion, two hundred thirty-one billion, five hundred million, twenty-one thousand, five hundred thirteen".