12276981475780 has 192 divisors, whose sum is σ = 31360662950400. Its totient is φ = 3947653140480.

The previous prime is 12276981475771. The next prime is 12276981475789. The reversal of 12276981475780 is 8757418967221.

12276981475780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12276981475771) and next prime (12276981475789).

It is not an unprimeable number, because it can be changed into a prime (12276981475789) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37958307 + ... + 38280373.

It is an arithmetic number, because the mean of its divisors is an integer number (163336786200).

Almost surely, 2^{12276981475780} is an apocalyptic number.

12276981475780 is a gapful number since it is divisible by the number (10) 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 12276981475780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15680331475200).

12276981475780 is an abundant number, since it is smaller than the sum of its proper divisors (19083681474620).

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

12276981475780 is a wasteful number, since it uses less digits than its factorization.

12276981475780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322382 (or 322380 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 67.

The spelling of 12276981475780 in words is "twelve trillion, two hundred seventy-six billion, nine hundred eighty-one million, four hundred seventy-five thousand, seven hundred eighty".