2123121112302 has 64 divisors (see below), whose sum is σ = 4435156684800. Its totient is φ = 676697589120.

The previous prime is 2123121112289. The next prime is 2123121112381. The reversal of 2123121112302 is 2032111213212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63116824 + ... + 63150452.

It is an arithmetic number, because the mean of its divisors is an integer number (69299323200).

Almost surely, 2^{2123121112302} is an apocalyptic number.

2123121112302 is an abundant number, since it is smaller than the sum of its proper divisors (2312035572498).

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

2123121112302 is a wasteful number, since it uses less digits than its factorization.

2123121112302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37161.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2123121112302 its reverse (2032111213212), we get a palindrome (4155232325514).

The spelling of 2123121112302 in words is "two trillion, one hundred twenty-three billion, one hundred twenty-one million, one hundred twelve thousand, three hundred two".