1312231201022 has 64 divisors (see below), whose sum is σ = 2333333692800. Its totient is φ = 541928724480.

The previous prime is 1312231201019. The next prime is 1312231201037. The reversal of 1312231201022 is 2201021322131.

It is a junction number, because it is equal to n+sod(n) for n = 1312231200985 and 1312231201003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8205458 + ... + 8363850.

It is an arithmetic number, because the mean of its divisors is an integer number (36458338950).

Almost surely, 2^{1312231201022} is an apocalyptic number.

1312231201022 is a deficient number, since it is larger than the sum of its proper divisors (1021102491778).

1312231201022 is a wasteful number, since it uses less digits than its factorization.

1312231201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158661.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1312231201022 its reverse (2201021322131), we get a palindrome (3513252523153).

The spelling of 1312231201022 in words is "one trillion, three hundred twelve billion, two hundred thirty-one million, two hundred one thousand, twenty-two".