12013142312 has 32 divisors (see below), whose sum is σ = 23841199200. Its totient is φ = 5658984000.

The previous prime is 12013142269. The next prime is 12013142321. The reversal of 12013142312 is 21324131021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190814 + ... + 245837.

It is an arithmetic number, because the mean of its divisors is an integer number (745037475).

Almost surely, 2^12013142312 is an apocalyptic number.

It is an amenable number.

12013142312 is a deficient number, since it is larger than the sum of its proper divisors (11828056888).

12013142312 is a wasteful number, since it uses less digits than its factorization.

12013142312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436857 (or 436853 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12013142312 its reverse (21324131021), we get a palindrome (33337273333).

The spelling of 12013142312 in words is "twelve billion, thirteen million, one hundred forty-two thousand, three hundred twelve".