12980156472 has 128 divisors (see below), whose sum is σ = 39065241600. Its totient is φ = 3977455104.

The previous prime is 12980156471. The next prime is 12980156473. The reversal of 12980156472 is 27465108921.

12980156472 is a `hidden beast` number, since 1 + 2 + 9 + 80 + 1 + 564 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (12980156471) and next prime (12980156473).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12980156471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116793 + ... + 198999.

It is an arithmetic number, because the mean of its divisors is an integer number (305197200).

Almost surely, 2^12980156472 is an apocalyptic number.

12980156472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12980156472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19532620800).

12980156472 is an abundant number, since it is smaller than the sum of its proper divisors (26085085128).

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

12980156472 is a wasteful number, since it uses less digits than its factorization.

12980156472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82282 (or 82272 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 12980156472 in words is "twelve billion, nine hundred eighty million, one hundred fifty-six thousand, four hundred seventy-two".