120131023220212 has 24 divisors (see below), whose sum is σ = 211669236865800. Its totient is φ = 59654208921600.

The previous prime is 120131023220171. The next prime is 120131023220239. The reversal of 120131023220212 is 212022320131021.

It can be written as a sum of positive squares in 4 ways, for example, as 9813897005796 + 110317126214416 = 3132714^2 + 10503196^2 .

It is a super-2 number, since 2×120131023220212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9462289 + ... + 18160312.

It is an arithmetic number, because the mean of its divisors is an integer number (8819551536075).

Almost surely, 2^{120131023220212} is an apocalyptic number.

It is an amenable number.

120131023220212 is a deficient number, since it is larger than the sum of its proper divisors (91538213645588).

120131023220212 is a wasteful number, since it uses less digits than its factorization.

120131023220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27630051 (or 27630049 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 120131023220212 its reverse (212022320131021), we get a palindrome (332153343351233).

The spelling of 120131023220212 in words is "one hundred twenty trillion, one hundred thirty-one billion, twenty-three million, two hundred twenty thousand, two hundred twelve".