12199689789 has 12 divisors (see below), whose sum is σ = 18921968064. Its totient is φ = 6971251224.

The previous prime is 12199689779. The next prime is 12199689809. The reversal of 12199689789 is 98798699121.

It is not a de Polignac number, because 12199689789 - 2⁸ = 12199689533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12199689779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41495397 + ... + 41495690.

It is an arithmetic number, because the mean of its divisors is an integer number (1576830672).

Almost surely, 2^12199689789 is an apocalyptic number.

It is an amenable number.

12199689789 is a deficient number, since it is larger than the sum of its proper divisors (6722278275).

12199689789 is an equidigital number, since it uses as much as digits as its factorization.

12199689789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82991104 (or 82991097 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 69.

The spelling of 12199689789 in words is "twelve billion, one hundred ninety-nine million, six hundred eighty-nine thousand, seven hundred eighty-nine".