12002003202312 has 48 divisors (see below), whose sum is σ = 32505734486940. Its totient is φ = 4000629685248.

The previous prime is 12002003202227. The next prime is 12002003202331. The reversal of 12002003202312 is 21320230020021.

12002003202312 is a `hidden beast` number, since 1 + 200 + 200 + 32 + 0 + 231 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8043996405636 + 3958006796676 = 2836194^2 + 1989474^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7416708 + ... + 8888844.

Almost surely, 2^{12002003202312} is an apocalyptic number.

12002003202312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12002003202312 is an abundant number, since it is smaller than the sum of its proper divisors (20503731284628).

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

12002003202312 is a wasteful number, since it uses less digits than its factorization.

12002003202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585382 (or 1585375 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12002003202312 its reverse (21320230020021), we get a palindrome (33322233222333).

The spelling of 12002003202312 in words is "twelve trillion, two billion, three million, two hundred two thousand, three hundred twelve".