12302312002 has 4 divisors (see below), whose sum is σ = 18453468006. Its totient is φ = 6151156000.

The previous prime is 12302311979. The next prime is 12302312039. The reversal of 12302312002 is 20021320321.

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., 11850281881 + 452030121 = 108859^2 + 21261^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3075577999 + ... + 3075578002.

Almost surely, 2^12302312002 is an apocalyptic number.

12302312002 is a deficient number, since it is larger than the sum of its proper divisors (6151156004).

12302312002 is an equidigital number, since it uses as much as digits as its factorization.

12302312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151156003.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12302312002 its reverse (20021320321), we get a palindrome (32323632323).

The spelling of 12302312002 in words is "twelve billion, three hundred two million, three hundred twelve thousand, two".