12003015252 has 24 divisors (see below), whose sum is σ = 28008807232. Its totient is φ = 4000752000.

The previous prime is 12003015251. The next prime is 12003015259. The reversal of 12003015252 is 25251030021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003015251) 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, 354252 + ... + 386652.

Almost surely, 2^12003015252 is an apocalyptic number.

12003015252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12003015252 is an abundant number, since it is smaller than the sum of its proper divisors (16005791980).

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

12003015252 is a wasteful number, since it uses less digits than its factorization.

12003015252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63279 (or 63277 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 12003015252 its reverse (25251030021), we get a palindrome (37254045273).

The spelling of 12003015252 in words is "twelve billion, three million, fifteen thousand, two hundred fifty-two".