123020031122 has 16 divisors (see below), whose sum is σ = 189833803200. Its totient is φ = 59747648688.

The previous prime is 123020031037. The next prime is 123020031133. The reversal of 123020031122 is 221130020321.

It is a self number, because there is not a number n which added to its sum of digits gives 123020031122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343348 + ... + 1431999.

It is an arithmetic number, because the mean of its divisors is an integer number (11864612700).

Almost surely, 2^123020031122 is an apocalyptic number.

123020031122 is a deficient number, since it is larger than the sum of its proper divisors (66813772078).

123020031122 is a wasteful number, since it uses less digits than its factorization.

123020031122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775985.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123020031122 its reverse (221130020321), we get a palindrome (344150051443).

The spelling of 123020031122 in words is "one hundred twenty-three billion, twenty million, thirty-one thousand, one hundred twenty-two".