120646513500 has 192 divisors, whose sum is σ = 370779601920. Its totient is φ = 30399494400.

The previous prime is 120646513489. The next prime is 120646513573. The reversal of 120646513500 is 5315646021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11309169 + ... + 11319831.

It is an arithmetic number, because the mean of its divisors is an integer number (1931143760).

Almost surely, 2^120646513500 is an apocalyptic number.

120646513500 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 120646513500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185389800960).

120646513500 is an abundant number, since it is smaller than the sum of its proper divisors (250133088420).

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

120646513500 is a wasteful number, since it uses less digits than its factorization.

120646513500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11101 (or 11089 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 120646513500 in words is "one hundred twenty billion, six hundred forty-six million, five hundred thirteen thousand, five hundred".