12981707380 has 48 divisors (see below), whose sum is σ = 29052172800. Its totient is φ = 4861227008.

The previous prime is 12981707377. The next prime is 12981707381. The reversal of 12981707380 is 8370718921.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 12981707380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12981707381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278605 + ... + 321844.

It is an arithmetic number, because the mean of its divisors is an integer number (605253600).

Almost surely, 2^12981707380 is an apocalyptic number.

12981707380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12981707380 is an abundant number, since it is smaller than the sum of its proper divisors (16070465420).

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

12981707380 is a wasteful number, since it uses less digits than its factorization.

12981707380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600528 (or 600526 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 12981707380 in words is "twelve billion, nine hundred eighty-one million, seven hundred seven thousand, three hundred eighty".