120020012231 has 16 divisors (see below), whose sum is σ = 144406771200. Its totient is φ = 97445148768.

The previous prime is 120020012213. The next prime is 120020012239. The reversal of 120020012231 is 132210020021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120020012231 - 2¹⁸ = 120019750087 is a prime.

It is a super-2 number, since 2×120020012231² (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 (120020012239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 864125 + ... + 993353.

It is an arithmetic number, because the mean of its divisors is an integer number (9025423200).

Almost surely, 2^120020012231 is an apocalyptic number.

120020012231 is a deficient number, since it is larger than the sum of its proper divisors (24386758969).

120020012231 is a wasteful number, since it uses less digits than its factorization.

120020012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136238.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120020012231 its reverse (132210020021), we get a palindrome (252230032252).

The spelling of 120020012231 in words is "one hundred twenty billion, twenty million, twelve thousand, two hundred thirty-one".