12120002291 has 2 divisors, whose sum is σ = 12120002292. Its totient is φ = 12120002290.

The previous prime is 12120002267. The next prime is 12120002309. The reversal of 12120002291 is 19220002121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120002291 is a prime.

It is not a weakly prime, because it can be changed into another prime (12120002201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060001145 + 6060001146.

It is an arithmetic number, because the mean of its divisors is an integer number (6060001146).

Almost surely, 2^12120002291 is an apocalyptic number.

12120002291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120002291 is an equidigital number, since it uses as much as digits as its factorization.

12120002291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 12120002291 in words is "twelve billion, one hundred twenty million, two thousand, two hundred ninety-one".