120931086836 has 36 divisors (see below), whose sum is σ = 259138051200. Its totient is φ = 49099838256.

The previous prime is 120931086821. The next prime is 120931086839. The reversal of 120931086836 is 638680139021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120931086839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16232996 + ... + 16240443.

It is an arithmetic number, because the mean of its divisors is an integer number (7198279200).

Almost surely, 2^120931086836 is an apocalyptic number.

It is an amenable number.

120931086836 is an abundant number, since it is smaller than the sum of its proper divisors (138206964364).

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

120931086836 is a wasteful number, since it uses less digits than its factorization.

120931086836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32473476 (or 32473467 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 120931086836 in words is "one hundred twenty billion, nine hundred thirty-one million, eighty-six thousand, eight hundred thirty-six".