12013333012 has 24 divisors (see below), whose sum is σ = 21632954336. Its totient is φ = 5833111968.

The previous prime is 12013332949. The next prime is 12013333019. The reversal of 12013333012 is 21033331021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013333019) 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, 198 + ... + 155005.

Almost surely, 2^12013333012 is an apocalyptic number.

It is an amenable number.

12013333012 is a deficient number, since it is larger than the sum of its proper divisors (9619621324).

12013333012 is a wasteful number, since it uses less digits than its factorization.

12013333012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155767 (or 155765 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12013333012 its reverse (21033331021), we get a palindrome (33046664033).

The spelling of 12013333012 in words is "twelve billion, thirteen million, three hundred thirty-three thousand, twelve".