12860972060400 has 360 divisors, whose sum is σ = 44952258630240. Its totient is φ = 3404943360000.

The previous prime is 12860972060351. The next prime is 12860972060429. The reversal of 12860972060400 is 406027906821.

It is a happy number.

12860972060400 is a `hidden beast` number, since 1 + 2 + 86 + 0 + 97 + 20 + 60 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1131225916 + ... + 1131237284.

It is an arithmetic number, because the mean of its divisors is an integer number (124867385084).

Almost surely, 2^{12860972060400} is an apocalyptic number.

12860972060400 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 12860972060400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22476129315120).

12860972060400 is an abundant number, since it is smaller than the sum of its proper divisors (32091286569840).

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

12860972060400 is a wasteful number, since it uses less digits than its factorization.

12860972060400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13625 (or 13611 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 12860972060400 in words is "twelve trillion, eight hundred sixty billion, nine hundred seventy-two million, sixty thousand, four hundred".