1312512522 has 8 divisors (see below), whose sum is σ = 2625025056. Its totient is φ = 437504172.

The previous prime is 1312512499. The next prime is 1312512559. The reversal of 1312512522 is 2252152131.

It is a sphenic number, since it is the product of 3 distinct primes.

1312512522 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1312512492 and 1312512501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109376038 + ... + 109376049.

It is an arithmetic number, because the mean of its divisors is an integer number (328128132).

Almost surely, 2^1312512522 is an apocalyptic number.

1312512522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1312512522 is a wasteful number, since it uses less digits than its factorization.

1312512522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218752092.

The product of its digits is 1200, while the sum is 24.

The square root of 1312512522 is about 36228.6146850801. The cubic root of 1312512522 is about 1094.8832668872.

Adding to 1312512522 its reverse (2252152131), we get a palindrome (3564664653).

The spelling of 1312512522 in words is "one billion, three hundred twelve million, five hundred twelve thousand, five hundred twenty-two".