120356731400 has 96 divisors (see below), whose sum is σ = 284934888000. Its totient is φ = 47266417920.

The previous prime is 120356731343. The next prime is 120356731423. The reversal of 120356731400 is 4137653021.

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, 9894122 + ... + 9906278.

It is an arithmetic number, because the mean of its divisors is an integer number (2968071750).

Almost surely, 2^120356731400 is an apocalyptic number.

120356731400 is a gapful number since it is divisible by the number (10) 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 120356731400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142467444000).

120356731400 is an abundant number, since it is smaller than the sum of its proper divisors (164578156600).

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

120356731400 is a wasteful number, since it uses less digits than its factorization.

120356731400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071 (or 13062 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 120356731400 in words is "one hundred twenty billion, three hundred fifty-six million, seven hundred thirty-one thousand, four hundred".