123202122122 has 8 divisors (see below), whose sum is σ = 184811594016. Its totient is φ = 61598257452.

The previous prime is 123202122083. The next prime is 123202122139. The reversal of 123202122122 is 221221202321.

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

It is a junction number, because it is equal to n+sod(n) for n = 123202122094 and 123202122103.

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, 1346438 + ... + 1435025.

It is an arithmetic number, because the mean of its divisors is an integer number (23101449252).

Almost surely, 2^123202122122 is an apocalyptic number.

123202122122 is a deficient number, since it is larger than the sum of its proper divisors (61609471894).

123202122122 is a wasteful number, since it uses less digits than its factorization.

123202122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803612.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 123202122122 its reverse (221221202321), we get a palindrome (344423324443).

The spelling of 123202122122 in words is "one hundred twenty-three billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-two".