123212001121122 has 32 divisors (see below), whose sum is σ = 248867493900480. Its totient is φ = 40665400176960.

The previous prime is 123212001121067. The next prime is 123212001121159. The reversal of 123212001121122 is 221121100212321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247469388 + ... + 247966775.

It is an arithmetic number, because the mean of its divisors is an integer number (7777109184390).

Almost surely, 2^{123212001121122} is an apocalyptic number.

123212001121122 is an abundant number, since it is smaller than the sum of its proper divisors (125655492779358).

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

123212001121122 is a wasteful number, since it uses less digits than its factorization.

123212001121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495436578.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 123212001121122 its reverse (221121100212321), we get a palindrome (344333101333443).

The spelling of 123212001121122 in words is "one hundred twenty-three trillion, two hundred twelve billion, one million, one hundred twenty-one thousand, one hundred twenty-two".