122200240400142 has 32 divisors (see below), whose sum is σ = 245151527946912. Its totient is φ = 40608294211584.

The previous prime is 122200240400011. The next prime is 122200240400153. The reversal of 122200240400142 is 241004042002221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1940488 + ... + 15753284.

It is an arithmetic number, because the mean of its divisors is an integer number (7660985248341).

Almost surely, 2^{122200240400142} is an apocalyptic number.

122200240400142 is an abundant number, since it is smaller than the sum of its proper divisors (122951287546770).

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

122200240400142 is a wasteful number, since it uses less digits than its factorization.

122200240400142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13817332.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 122200240400142 its reverse (241004042002221), we get a palindrome (363204282402363).

The spelling of 122200240400142 in words is "one hundred twenty-two trillion, two hundred billion, two hundred forty million, four hundred thousand, one hundred forty-two".