1301312112309 has 48 divisors (see below), whose sum is σ = 2066295329280. Its totient is φ = 782623380480.

The previous prime is 1301312112259. The next prime is 1301312112313. The reversal of 1301312112309 is 9032112131031.

1301312112309 is a `hidden beast` number, since 1 + 30 + 1 + 312 + 1 + 12 + 309 = 666.

It is not a de Polignac number, because 1301312112309 - 2⁸ = 1301312112053 is a prime.

It is a super-2 number, since 2×1301312112309² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301312110309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39275452 + ... + 39308570.

It is an arithmetic number, because the mean of its divisors is an integer number (43047819360).

Almost surely, 2^{1301312112309} is an apocalyptic number.

It is an amenable number.

1301312112309 is a deficient number, since it is larger than the sum of its proper divisors (764983216971).

1301312112309 is a wasteful number, since it uses less digits than its factorization.

1301312112309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36170 (or 36167 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 1301312112309 in words is "one trillion, three hundred one billion, three hundred twelve million, one hundred twelve thousand, three hundred nine".