12816407802 has 16 divisors (see below), whose sum is σ = 27963071712. Its totient is φ = 3883759920.

The previous prime is 12816407789. The next prime is 12816407803. The reversal of 12816407802 is 20870461821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12816407803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97093933 + ... + 97094064.

It is an arithmetic number, because the mean of its divisors is an integer number (1747691982).

Almost surely, 2^12816407802 is an apocalyptic number.

12816407802 is an abundant number, since it is smaller than the sum of its proper divisors (15146663910).

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

12816407802 is a wasteful number, since it uses less digits than its factorization.

12816407802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194188013.

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 12816407802 in words is "twelve billion, eight hundred sixteen million, four hundred seven thousand, eight hundred two".