120021122222012 has 24 divisors (see below), whose sum is σ = 234459866669952. Its totient is φ = 53286333332400.

The previous prime is 120021122221993. The next prime is 120021122222017. The reversal of 120021122222012 is 210222221120021.

It is a super-2 number, since 2×120021122222012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021122222017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31718053664 + ... + 31718057447.

It is an arithmetic number, because the mean of its divisors is an integer number (9769161111248).

Almost surely, 2^{120021122222012} is an apocalyptic number.

It is an amenable number.

120021122222012 is a deficient number, since it is larger than the sum of its proper divisors (114438744447940).

120021122222012 is a wasteful number, since it uses less digits than its factorization.

120021122222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63436111169 (or 63436111167 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120021122222012 its reverse (210222221120021), we get a palindrome (330243343342033).

The spelling of 120021122222012 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty-two million, two hundred twenty-two thousand, twelve".