122542314100 has 36 divisors (see below), whose sum is σ = 277478427744. Its totient is φ = 46885754080.

The previous prime is 122542314091. The next prime is 122542314119. The reversal of 122542314100 is 1413245221.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26637334 + ... + 26641933.

It is an arithmetic number, because the mean of its divisors is an integer number (7707734104).

Almost surely, 2^122542314100 is an apocalyptic number.

122542314100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122542314100 is an abundant number, since it is smaller than the sum of its proper divisors (154936113644).

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

122542314100 is a wasteful number, since it uses less digits than its factorization.

122542314100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53279304 (or 53279297 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 122542314100 its reverse (1413245221), we get a palindrome (123955559321).

The spelling of 122542314100 in words is "one hundred twenty-two billion, five hundred forty-two million, three hundred fourteen thousand, one hundred".