1312240032007 has 12 divisors (see below), whose sum is σ = 1377359575200. Its totient is φ = 1249608617856.

The previous prime is 1312240032001. The next prime is 1312240032049. The reversal of 1312240032007 is 7002300422131.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1312240032007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312240032001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10132882 + ... + 10261567.

It is an arithmetic number, because the mean of its divisors is an integer number (114779964600).

Almost surely, 2^{1312240032007} is an apocalyptic number.

1312240032007 is a deficient number, since it is larger than the sum of its proper divisors (65119543193).

1312240032007 is an equidigital number, since it uses as much as digits as its factorization.

1312240032007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20394570 (or 20394533 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 1312240032007 its reverse (7002300422131), we get a palindrome (8314540454138).

The spelling of 1312240032007 in words is "one trillion, three hundred twelve billion, two hundred forty million, thirty-two thousand, seven".