120888718650 has 384 divisors, whose sum is σ = 393701468160. Its totient is φ = 26702161920.

The previous prime is 120888718637. The next prime is 120888718651. The reversal of 120888718650 is 56817888021.

It is a super-2 number, since 2×120888718650² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (120888718651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 39414417 + ... + 39417483.

It is an arithmetic number, because the mean of its divisors is an integer number (1025264240).

Almost surely, 2^120888718650 is an apocalyptic number.

120888718650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120888718650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196850734080).

120888718650 is an abundant number, since it is smaller than the sum of its proper divisors (272812749510).

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

120888718650 is a wasteful number, since it uses less digits than its factorization.

120888718650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235 (or 3224 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 54.

The spelling of 120888718650 in words is "one hundred twenty billion, eight hundred eighty-eight million, seven hundred eighteen thousand, six hundred fifty".