120102021221212 has 24 divisors (see below), whose sum is σ = 217690903856160. Its totient is φ = 57909664518720.

The previous prime is 120102021221207. The next prime is 120102021221267. The reversal of 120102021221212 is 212122120201021.

It is a self number, because there is not a number n which added to its sum of digits gives 120102021221212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630454248 + ... + 630644719.

It is an arithmetic number, because the mean of its divisors is an integer number (9070454327340).

Almost surely, 2^{120102021221212} is an apocalyptic number.

It is an amenable number.

120102021221212 is a deficient number, since it is larger than the sum of its proper divisors (97588882634948).

120102021221212 is a wasteful number, since it uses less digits than its factorization.

120102021221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261099821 (or 1261099819 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120102021221212 its reverse (212122120201021), we get a palindrome (332224141422233).

The spelling of 120102021221212 in words is "one hundred twenty trillion, one hundred two billion, twenty-one million, two hundred twenty-one thousand, two hundred twelve".