1313201122312 has 32 divisors (see below), whose sum is σ = 2519596648800. Its totient is φ = 641309687424.

The previous prime is 1313201122273. The next prime is 1313201122339. The reversal of 1313201122312 is 2132211023131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17733748 + ... + 17807644.

It is an arithmetic number, because the mean of its divisors is an integer number (78737395275).

Almost surely, 2^{1313201122312} is an apocalyptic number.

It is an amenable number.

1313201122312 is a deficient number, since it is larger than the sum of its proper divisors (1206395526488).

1313201122312 is a wasteful number, since it uses less digits than its factorization.

1313201122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125605 (or 125601 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1313201122312 its reverse (2132211023131), we get a palindrome (3445412145443).

The spelling of 1313201122312 in words is "one trillion, three hundred thirteen billion, two hundred one million, one hundred twenty-two thousand, three hundred twelve".