122525402432 has 112 divisors (see below), whose sum is σ = 250901411328. Its totient is φ = 59336908800.

The previous prime is 122525402371. The next prime is 122525402443. The reversal of 122525402432 is 234204525221.

It is a super-2 number, since 2×122525402432² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189374333 + ... + 189374979.

Almost surely, 2^122525402432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122525402432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125450705664).

122525402432 is an abundant number, since it is smaller than the sum of its proper divisors (128376008896).

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

122525402432 is a wasteful number, since it uses less digits than its factorization.

122525402432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 122525402432 its reverse (234204525221), we get a palindrome (356729927653).

The spelling of 122525402432 in words is "one hundred twenty-two billion, five hundred twenty-five million, four hundred two thousand, four hundred thirty-two".