120021111201210 has 64 divisors (see below), whose sum is σ = 289780319066112. Its totient is φ = 31813452426816.

The previous prime is 120021111201143. The next prime is 120021111201221. The reversal of 120021111201210 is 12102111120021.

It is a happy number.

120021111201210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120021111201210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372197067 + ... + 372519393.

It is an arithmetic number, because the mean of its divisors is an integer number (4527817485408).

Almost surely, 2^{120021111201210} is an apocalyptic number.

120021111201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021111201210 is an abundant number, since it is smaller than the sum of its proper divisors (169759207864902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120021111201210 is a wasteful number, since it uses less digits than its factorization.

120021111201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396827.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120021111201210 its reverse (12102111120021), we get a palindrome (132123222321231).

The spelling of 120021111201210 in words is "one hundred twenty trillion, twenty-one billion, one hundred eleven million, two hundred one thousand, two hundred ten".