12298797786 has 32 divisors (see below), whose sum is σ = 27201336768. Its totient is φ = 3675853440.

The previous prime is 12298797739. The next prime is 12298797851. The reversal of 12298797786 is 68779789221.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1271521 + ... + 1281156.

It is an arithmetic number, because the mean of its divisors is an integer number (850041774).

Almost surely, 2^12298797786 is an apocalyptic number.

12298797786 is an abundant number, since it is smaller than the sum of its proper divisors (14902538982).

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

12298797786 is a wasteful number, since it uses less digits than its factorization.

12298797786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552766.

The product of its digits is 42674688, while the sum is 66.

The spelling of 12298797786 in words is "twelve billion, two hundred ninety-eight million, seven hundred ninety-seven thousand, seven hundred eighty-six".