12121303279 has 2 divisors, whose sum is σ = 12121303280. Its totient is φ = 12121303278.

The previous prime is 12121303261. The next prime is 12121303339. The reversal of 12121303279 is 97230312121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12121303279 - 2²⁵ = 12087748847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12121303279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121303219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060651639 + 6060651640.

It is an arithmetic number, because the mean of its divisors is an integer number (6060651640).

Almost surely, 2^12121303279 is an apocalyptic number.

12121303279 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121303279 is an equidigital number, since it uses as much as digits as its factorization.

12121303279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 12121303279 in words is "twelve billion, one hundred twenty-one million, three hundred three thousand, two hundred seventy-nine".