120156276021600 has 432 divisors, whose sum is σ = 489960328688208. Its totient is φ = 25351653519360.

The previous prime is 120156276021599. The next prime is 120156276021643. The reversal of 120156276021600 is 6120672651021.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 37768779 + ... + 40826378.

It is an arithmetic number, because the mean of its divisors is an integer number (1134167427519).

Almost surely, 2^{120156276021600} is an apocalyptic number.

120156276021600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120156276021600 is an abundant number, since it is smaller than the sum of its proper divisors (369804052666608).

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

120156276021600 is a wasteful number, since it uses less digits than its factorization.

120156276021600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78595207 (or 78595187 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 120156276021600 in words is "one hundred twenty trillion, one hundred fifty-six billion, two hundred seventy-six million, twenty-one thousand, six hundred".