103123112312 has 32 divisors (see below), whose sum is σ = 212099050800. Its totient is φ = 46615161600.

The previous prime is 103123112311. The next prime is 103123112321. The reversal of 103123112312 is 213211321301.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103123112311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3221237 + ... + 3253092.

Almost surely, 2^103123112312 is an apocalyptic number.

It is an amenable number.

103123112312 is an abundant number, since it is smaller than the sum of its proper divisors (108975938488).

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

103123112312 is a wasteful number, since it uses less digits than its factorization.

103123112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474527 (or 6474523 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 103123112312 its reverse (213211321301), we get a palindrome (316334433613).

The spelling of 103123112312 in words is "one hundred three billion, one hundred twenty-three million, one hundred twelve thousand, three hundred twelve".