120722562432 has 128 divisors (see below), whose sum is σ = 360592848000. Its totient is φ = 39755930112.

The previous prime is 120722562413. The next prime is 120722562437. The reversal of 120722562432 is 234265227021.

120722562432 is a `hidden beast` number, since 1 + 2 + 0 + 7 + 2 + 25 + 624 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120722562437) 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, 76419 + ... + 497277.

It is an arithmetic number, because the mean of its divisors is an integer number (2817131625).

Almost surely, 2^120722562432 is an apocalyptic number.

120722562432 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 120722562432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180296424000).

120722562432 is an abundant number, since it is smaller than the sum of its proper divisors (239870285568).

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

120722562432 is an equidigital number, since it uses as much as digits as its factorization.

120722562432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420965 (or 420947 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 120722562432 its reverse (234265227021), we get a palindrome (354987789453).

The spelling of 120722562432 in words is "one hundred twenty billion, seven hundred twenty-two million, five hundred sixty-two thousand, four hundred thirty-two".