20123130130122 has 64 divisors (see below), whose sum is σ = 42840130331520. Its totient is φ = 6279600390144.

The previous prime is 20123130130049. The next prime is 20123130130127. The reversal of 20123130130122 is 22103103132102.

It is not an unprimeable number, because it can be changed into a prime (20123130130127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158782993 + ... + 158909675.

It is an arithmetic number, because the mean of its divisors is an integer number (669377036430).

Almost surely, 2^{20123130130122} is an apocalyptic number.

20123130130122 is an abundant number, since it is smaller than the sum of its proper divisors (22717000201398).

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

20123130130122 is a wasteful number, since it uses less digits than its factorization.

20123130130122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134967.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20123130130122 its reverse (22103103132102), we get a palindrome (42226233262224).

The spelling of 20123130130122 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty million, one hundred thirty thousand, one hundred twenty-two".