122400552434142 has 64 divisors (see below), whose sum is σ = 266662736069184. Its totient is φ = 37302795509760.

The previous prime is 122400552434129. The next prime is 122400552434189. The reversal of 122400552434142 is 241434255004221.

It is a self number, because there is not a number n which added to its sum of digits gives 122400552434142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61833373 + ... + 63782184.

It is an arithmetic number, because the mean of its divisors is an integer number (4166605251081).

Almost surely, 2^{122400552434142} is an apocalyptic number.

122400552434142 is an abundant number, since it is smaller than the sum of its proper divisors (144262183635042).

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

122400552434142 is a wasteful number, since it uses less digits than its factorization.

122400552434142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125615853.

The product of its (nonzero) digits is 307200, while the sum is 39.

The spelling of 122400552434142 in words is "one hundred twenty-two trillion, four hundred billion, five hundred fifty-two million, four hundred thirty-four thousand, one hundred forty-two".