122113240140 has 48 divisors (see below), whose sum is σ = 342445646592. Its totient is φ = 32513190336.

The previous prime is 122113240133. The next prime is 122113240189. The reversal of 122113240140 is 41042311221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533994 + ... + 1611633.

It is an arithmetic number, because the mean of its divisors is an integer number (7134284304).

Almost surely, 2^122113240140 is an apocalyptic number.

122113240140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122113240140 is an abundant number, since it is smaller than the sum of its proper divisors (220332406452).

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

122113240140 is a wasteful number, since it uses less digits than its factorization.

122113240140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146286 (or 3146284 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 122113240140 its reverse (41042311221), we get a palindrome (163155551361).

The spelling of 122113240140 in words is "one hundred twenty-two billion, one hundred thirteen million, two hundred forty thousand, one hundred forty".