12012379157 has 2 divisors, whose sum is σ = 12012379158. Its totient is φ = 12012379156.

The previous prime is 12012379123. The next prime is 12012379213. The reversal of 12012379157 is 75197321021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11268671716 + 743707441 = 106154^2 + 27271^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012379157 - 2¹² = 12012375061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12012379157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012369157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006189578 + 6006189579.

It is an arithmetic number, because the mean of its divisors is an integer number (6006189579).

Almost surely, 2^12012379157 is an apocalyptic number.

It is an amenable number.

12012379157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012379157 is an equidigital number, since it uses as much as digits as its factorization.

12012379157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 38.

The spelling of 12012379157 in words is "twelve billion, twelve million, three hundred seventy-nine thousand, one hundred fifty-seven".