12102002312 has 16 divisors (see below), whose sum is σ = 22723634700. Its totient is φ = 6042366400.

The previous prime is 12102002251. The next prime is 12102002333. The reversal of 12102002312 is 21320020121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12101320036 + 682276 = 110006^2 + 826^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073387 + ... + 1084602.

Almost surely, 2^12102002312 is an apocalyptic number.

It is an amenable number.

12102002312 is a deficient number, since it is larger than the sum of its proper divisors (10621632388).

12102002312 is a wasteful number, since it uses less digits than its factorization.

12102002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158696 (or 2158692 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12102002312 its reverse (21320020121), we get a palindrome (33422022433).

The spelling of 12102002312 in words is "twelve billion, one hundred two million, two thousand, three hundred twelve".