12402973206 has 72 divisors (see below), whose sum is σ = 30177234360. Its totient is φ = 3816274176.

The previous prime is 12402973189. The next prime is 12402973213. The reversal of 12402973206 is 60237920421.

12402973206 is a `hidden beast` number, since 1 + 2 + 40 + 297 + 320 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6630 + ... + 157638.

It is an arithmetic number, because the mean of its divisors is an integer number (419128255).

Almost surely, 2^12402973206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12402973206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15088617180).

12402973206 is an abundant number, since it is smaller than the sum of its proper divisors (17774261154).

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

12402973206 is a wasteful number, since it uses less digits than its factorization.

12402973206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151052 (or 151027 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 12402973206 in words is "twelve billion, four hundred two million, nine hundred seventy-three thousand, two hundred six".