123001222522140 has 144 divisors (see below), whose sum is σ = 375962303676960. Its totient is φ = 32549034885120.

The previous prime is 123001222522097. The next prime is 123001222522151. The reversal of 123001222522140 is 41225222100321.

123001222522140 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 0 + 122 + 2 + 522 + 14 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1523439852 + ... + 1523520588.

It is an arithmetic number, because the mean of its divisors is an integer number (2610849331090).

Almost surely, 2^{123001222522140} is an apocalyptic number.

123001222522140 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 123001222522140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187981151838480).

123001222522140 is an abundant number, since it is smaller than the sum of its proper divisors (252961081154820).

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

123001222522140 is a wasteful number, since it uses less digits than its factorization.

123001222522140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145492 (or 145487 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 123001222522140 its reverse (41225222100321), we get a palindrome (164226444622461).

The spelling of 123001222522140 in words is "one hundred twenty-three trillion, one billion, two hundred twenty-two million, five hundred twenty-two thousand, one hundred forty".