12103510452 has 72 divisors (see below), whose sum is σ = 31799623296. Its totient is φ = 3578256000.

The previous prime is 12103510439. The next prime is 12103510477. The reversal of 12103510452 is 25401530121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42124 + ... + 161187.

Almost surely, 2^12103510452 is an apocalyptic number.

12103510452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12103510452 is an abundant number, since it is smaller than the sum of its proper divisors (19696112844).

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

12103510452 is a wasteful number, since it uses less digits than its factorization.

12103510452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203381 (or 203368 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 12103510452 in words is "twelve billion, one hundred three million, five hundred ten thousand, four hundred fifty-two".