12051643202 has 4 divisors (see below), whose sum is σ = 18077464806. Its totient is φ = 6025821600.

The previous prime is 12051643193. The next prime is 12051643223. The reversal of 12051643202 is 20234615021.

It is a happy number.

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., 10619096401 + 1432546801 = 103049^2 + 37849^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3012910799 + ... + 3012910802.

Almost surely, 2^12051643202 is an apocalyptic number.

12051643202 is a deficient number, since it is larger than the sum of its proper divisors (6025821604).

12051643202 is an equidigital number, since it uses as much as digits as its factorization.

12051643202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025821603.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 12051643202 in words is "twelve billion, fifty-one million, six hundred forty-three thousand, two hundred two".