123202231202122 has 8 divisors (see below), whose sum is σ = 184955699112516. Its totient is φ = 61550331497952.

The previous prime is 123202231202107. The next prime is 123202231202153. The reversal of 123202231202122 is 221202132202321.

It can be written as a sum of positive squares in 2 ways, for example, as 115795010334481 + 7407220867641 = 10760809^2 + 2721621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×123202231202122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25392048523 + ... + 25392053374.

Almost surely, 2^{123202231202122} is an apocalyptic number.

123202231202122 is a deficient number, since it is larger than the sum of its proper divisors (61753467910394).

123202231202122 is a wasteful number, since it uses less digits than its factorization.

123202231202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50784103112.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 123202231202122 its reverse (221202132202321), we get a palindrome (344404363404443).

The spelling of 123202231202122 in words is "one hundred twenty-three trillion, two hundred two billion, two hundred thirty-one million, two hundred two thousand, one hundred twenty-two".