122400031033242 has 12 divisors (see below), whose sum is σ = 265200067238730. Its totient is φ = 40800010344408.

The previous prime is 122400031033229. The next prime is 122400031033243. The reversal of 122400031033242 is 242330130004221.

122400031033242 is a `hidden beast` number, since 1 + 2 + 2 + 400 + 0 + 3 + 10 + 3 + 3 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 117078654043521 + 5321376989721 = 10820289^2 + 2306811^2 .

It is not an unprimeable number, because it can be changed into a prime (122400031033243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3400000862017 + ... + 3400000862052.

Almost surely, 2^{122400031033242} is an apocalyptic number.

122400031033242 is an abundant number, since it is smaller than the sum of its proper divisors (142800036205488).

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

122400031033242 is a wasteful number, since it uses less digits than its factorization.

122400031033242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800001724077 (or 6800001724074 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 122400031033242 its reverse (242330130004221), we get a palindrome (364730161037463).

The spelling of 122400031033242 in words is "one hundred twenty-two trillion, four hundred billion, thirty-one million, thirty-three thousand, two hundred forty-two".