1312122065464 has 24 divisors (see below), whose sum is σ = 2861898893640. Its totient is φ = 562338027888.

The previous prime is 1312122065431. The next prime is 1312122065467. The reversal of 1312122065464 is 4645602212131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312122065467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1673624692 + ... + 1673625475.

It is an arithmetic number, because the mean of its divisors is an integer number (119245787235).

Almost surely, 2^{1312122065464} is an apocalyptic number.

1312122065464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1312122065464 is an abundant number, since it is smaller than the sum of its proper divisors (1549776828176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312122065464 is a wasteful number, since it uses less digits than its factorization.

1312122065464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347250187 (or 3347250176 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 1312122065464 its reverse (4645602212131), we get a palindrome (5957724277595).

The spelling of 1312122065464 in words is "one trillion, three hundred twelve billion, one hundred twenty-two million, sixty-five thousand, four hundred sixty-four".