12001294051 has 2 divisors, whose sum is σ = 12001294052. Its totient is φ = 12001294050.

The previous prime is 12001294037. The next prime is 12001294091. The reversal of 12001294051 is 15049210021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12001294051 - 2⁷ = 12001293923 is a prime.

It is not a weakly prime, because it can be changed into another prime (12001294031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000647025 + 6000647026.

It is an arithmetic number, because the mean of its divisors is an integer number (6000647026).

Almost surely, 2^12001294051 is an apocalyptic number.

12001294051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001294051 is an equidigital number, since it uses as much as digits as its factorization.

12001294051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 12001294051 in words is "twelve billion, one million, two hundred ninety-four thousand, fifty-one".