122142440130 has 32 divisors (see below), whose sum is σ = 293177453184. Its totient is φ = 32567362176.

The previous prime is 122142440113. The next prime is 122142440183. The reversal of 122142440130 is 31044241221.

It is a self number, because there is not a number n which added to its sum of digits gives 122142440130.

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, 8299 + ... + 494321.

It is an arithmetic number, because the mean of its divisors is an integer number (9161795412).

Almost surely, 2^122142440130 is an apocalyptic number.

122142440130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122142440130 is an abundant number, since it is smaller than the sum of its proper divisors (171035013054).

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

122142440130 is a wasteful number, since it uses less digits than its factorization.

122142440130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494410.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 122142440130 its reverse (31044241221), we get a palindrome (153186681351).

The spelling of 122142440130 in words is "one hundred twenty-two billion, one hundred forty-two million, four hundred forty thousand, one hundred thirty".