12246918780 has 48 divisors (see below), whose sum is σ = 35020984320. Its totient is φ = 3196358208.

The previous prime is 12246918757. The next prime is 12246918797. The reversal of 12246918780 is 8781964221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2168620 + ... + 2174259.

It is an arithmetic number, because the mean of its divisors is an integer number (729603840).

Almost surely, 2^12246918780 is an apocalyptic number.

12246918780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12246918780 is an abundant number, since it is smaller than the sum of its proper divisors (22774065540).

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

12246918780 is a wasteful number, since it uses less digits than its factorization.

12246918780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342938 (or 4342936 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 12246918780 in words is "twelve billion, two hundred forty-six million, nine hundred eighteen thousand, seven hundred eighty".