12246781012 has 24 divisors (see below), whose sum is σ = 22159800320. Its totient is φ = 5916062880.

The previous prime is 12246781003. The next prime is 12246781013. The reversal of 12246781012 is 21018764221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12246781013) 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, 6087 + ... + 156622.

Almost surely, 2^12246781012 is an apocalyptic number.

It is an amenable number.

12246781012 is a deficient number, since it is larger than the sum of its proper divisors (9913019308).

12246781012 is a wasteful number, since it uses less digits than its factorization.

12246781012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163351 (or 163349 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 12246781012 in words is "twelve billion, two hundred forty-six million, seven hundred eighty-one thousand, twelve".