12122550142302 has 32 divisors (see below), whose sum is σ = 25521534403200. Its totient is φ = 3828117297888.

The previous prime is 12122550142133. The next prime is 12122550142309. The reversal of 12122550142302 is 20324105522121.

It is a self number, because there is not a number n which added to its sum of digits gives 12122550142302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122550142309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7352488 + ... + 8848964.

It is an arithmetic number, because the mean of its divisors is an integer number (797547950100).

Almost surely, 2^{12122550142302} is an apocalyptic number.

12122550142302 is an abundant number, since it is smaller than the sum of its proper divisors (13398984260898).

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

12122550142302 is a wasteful number, since it uses less digits than its factorization.

12122550142302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567560.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 12122550142302 its reverse (20324105522121), we get a palindrome (32446655664423).

The spelling of 12122550142302 in words is "twelve trillion, one hundred twenty-two billion, five hundred fifty million, one hundred forty-two thousand, three hundred two".