12101279 has 2 divisors, whose sum is σ = 12101280. Its totient is φ = 12101278.

The previous prime is 12101269. The next prime is 12101303. The reversal of 12101279 is 97210121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12101269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050639 + 6050640.

It is an arithmetic number, because the mean of its divisors is an integer number (6050640).

Almost surely, 2^12101279 is an apocalyptic number.

12101279 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101279 is an equidigital number, since it uses as much as digits as its factorization.

12101279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 12101279 is about 3478.6892646513. The cubic root of 12101279 is about 229.5851311358.

The spelling of 12101279 in words is "twelve million, one hundred one thousand, two hundred seventy-nine".