123021232122 has 48 divisors (see below), whose sum is σ = 261282637440. Its totient is φ = 38481586176.

The previous prime is 123021232093. The next prime is 123021232151. The reversal of 123021232122 is 221232120321.

It is an interprime number because it is at equal distance from previous prime (123021232093) and next prime (123021232151).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12705279 + ... + 12714957.

It is an arithmetic number, because the mean of its divisors is an integer number (5443388280).

Almost surely, 2^123021232122 is an apocalyptic number.

123021232122 is an abundant number, since it is smaller than the sum of its proper divisors (138261405318).

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

123021232122 is an equidigital number, since it uses as much as digits as its factorization.

123021232122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10407 (or 10054 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123021232122 its reverse (221232120321), we get a palindrome (344253352443).

The spelling of 123021232122 in words is "one hundred twenty-three billion, twenty-one million, two hundred thirty-two thousand, one hundred twenty-two".