120212232231 has 32 divisors (see below), whose sum is σ = 198262758400. Its totient is φ = 63089985024.

The previous prime is 120212232227. The next prime is 120212232289. The reversal of 120212232231 is 132232212021.

It is not a de Polignac number, because 120212232231 - 2² = 120212232227 is a prime.

It is a super-2 number, since 2×120212232231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 120212232198 and 120212232207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212232131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1052050 + ... + 1160703.

It is an arithmetic number, because the mean of its divisors is an integer number (6195711200).

Almost surely, 2^120212232231 is an apocalyptic number.

120212232231 is a deficient number, since it is larger than the sum of its proper divisors (78050526169).

120212232231 is a wasteful number, since it uses less digits than its factorization.

120212232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212975.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 120212232231 its reverse (132232212021), we get a palindrome (252444444252).

The spelling of 120212232231 in words is "one hundred twenty billion, two hundred twelve million, two hundred thirty-two thousand, two hundred thirty-one".