12299031802 has 4 divisors (see below), whose sum is σ = 18448547706. Its totient is φ = 6149515900.

The previous prime is 12299031793. The next prime is 12299031821. The reversal of 12299031802 is 20813099221.

It is a Cunningham number, because it is equal to 110901²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12299031801 + 1 = 110901^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3074757949 + ... + 3074757952.

Almost surely, 2^12299031802 is an apocalyptic number.

12299031802 is a deficient number, since it is larger than the sum of its proper divisors (6149515904).

12299031802 is an equidigital number, since it uses as much as digits as its factorization.

12299031802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6149515903.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 12299031802 in words is "twelve billion, two hundred ninety-nine million, thirty-one thousand, eight hundred two".