120401178432 has 112 divisors (see below), whose sum is σ = 336721704000. Its totient is φ = 37863383040.

The previous prime is 120401178397. The next prime is 120401178433. The reversal of 120401178432 is 234871104021.

It is a junction number, because it is equal to n+sod(n) for n = 120401178393 and 120401178402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120401178433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810694 + ... + 947642.

Almost surely, 2^120401178432 is an apocalyptic number.

120401178432 is a gapful number since it is divisible by the number (12) 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 120401178432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168360852000).

120401178432 is an abundant number, since it is smaller than the sum of its proper divisors (216320525568).

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

120401178432 is a wasteful number, since it uses less digits than its factorization.

120401178432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137224 (or 137214 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The spelling of 120401178432 in words is "one hundred twenty billion, four hundred one million, one hundred seventy-eight thousand, four hundred thirty-two".