120099281904 has 480 divisors, whose sum is σ = 413477535744. Its totient is φ = 33024049920.

The previous prime is 120099281807. The next prime is 120099281909. The reversal of 120099281904 is 409182990021.

It is a self number, because there is not a number n which added to its sum of digits gives 120099281904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120099281909) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 238765717 + ... + 238766219.

Almost surely, 2^120099281904 is an apocalyptic number.

120099281904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120099281904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206738767872).

120099281904 is an abundant number, since it is smaller than the sum of its proper divisors (293378253840).

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

120099281904 is a wasteful number, since it uses less digits than its factorization.

120099281904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 120099281904 in words is "one hundred twenty billion, ninety-nine million, two hundred eighty-one thousand, nine hundred four".