123120322412 has 12 divisors (see below), whose sum is σ = 215468319360. Its totient is φ = 61557945456.

The previous prime is 123120322379. The next prime is 123120322417. The reversal of 123120322412 is 214223021321.

It is a super-2 number, since 2×123120322412² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123120322417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425612 + ... + 653747.

It is an arithmetic number, because the mean of its divisors is an integer number (17955693280).

Almost surely, 2^123120322412 is an apocalyptic number.

It is an amenable number.

123120322412 is a deficient number, since it is larger than the sum of its proper divisors (92347996948).

123120322412 is a wasteful number, since it uses less digits than its factorization.

123120322412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107880 (or 1107878 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123120322412 its reverse (214223021321), we get a palindrome (337343343733).

The spelling of 123120322412 in words is "one hundred twenty-three billion, one hundred twenty million, three hundred twenty-two thousand, four hundred twelve".