1312227012159 has 24 divisors (see below), whose sum is σ = 2170915018272. Its totient is φ = 748217430720.

The previous prime is 1312227012157. The next prime is 1312227012167. The reversal of 1312227012159 is 9512107222131.

1312227012159 is a `hidden beast` number, since 1 + 312 + 2 + 270 + 1 + 21 + 59 = 666.

It is not a de Polignac number, because 1312227012159 - 2¹ = 1312227012157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312227012157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22562064 + ... + 22620149.

It is an arithmetic number, because the mean of its divisors is an integer number (90454792428).

Almost surely, 2^{1312227012159} is an apocalyptic number.

1312227012159 is a deficient number, since it is larger than the sum of its proper divisors (858688006113).

1312227012159 is a wasteful number, since it uses less digits than its factorization.

1312227012159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45182687 (or 45182684 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 1312227012159 in words is "one trillion, three hundred twelve billion, two hundred twenty-seven million, twelve thousand, one hundred fifty-nine".