12003555252 has 48 divisors (see below), whose sum is σ = 30176401472. Its totient is φ = 3691733760.

The previous prime is 12003555191. The next prime is 12003555257. The reversal of 12003555252 is 25255530021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003555257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354627 + ... + 386997.

Almost surely, 2^12003555252 is an apocalyptic number.

12003555252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12003555252 is an abundant number, since it is smaller than the sum of its proper divisors (18172846220).

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

12003555252 is a wasteful number, since it uses less digits than its factorization.

12003555252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34768 (or 34766 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 12003555252 in words is "twelve billion, three million, five hundred fifty-five thousand, two hundred fifty-two".