120211219989140 has 72 divisors (see below), whose sum is σ = 293886659603880. Its totient is φ = 41183300379648.

The previous prime is 120211219989139. The next prime is 120211219989209. The reversal of 120211219989140 is 41989912112021.

It can be written as a sum of positive squares in 4 ways, for example, as 51692591339536 + 68518628649604 = 7189756^2 + 8277598^2 .

It is a super-2 number, since 2×120211219989140² (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 23 ways as a sum of consecutive naturals, for example, 46318049 + ... + 48844488.

It is an arithmetic number, because the mean of its divisors is an integer number (4081759161165).

Almost surely, 2^{120211219989140} is an apocalyptic number.

120211219989140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120211219989140 is an abundant number, since it is smaller than the sum of its proper divisors (173675439614740).

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

120211219989140 is a wasteful number, since it uses less digits than its factorization.

120211219989140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95163849 (or 95163840 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 50.

The spelling of 120211219989140 in words is "one hundred twenty trillion, two hundred eleven billion, two hundred nineteen million, nine hundred eighty-nine thousand, one hundred forty".