1312632021326 has 8 divisors (see below), whose sum is σ = 1969586688024. Its totient is φ = 656103125320.

The previous prime is 1312632021293. The next prime is 1312632021341. The reversal of 1312632021326 is 6231202362131.

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

It is a junction number, because it is equal to n+sod(n) for n = 1312632021292 and 1312632021301.

It is a congruent number.

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, 106434965 + ... + 106447296.

It is an arithmetic number, because the mean of its divisors is an integer number (246198336003).

Almost surely, 2^{1312632021326} is an apocalyptic number.

1312632021326 is a deficient number, since it is larger than the sum of its proper divisors (656954666698).

1312632021326 is a wasteful number, since it uses less digits than its factorization.

1312632021326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212885346.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 1312632021326 its reverse (6231202362131), we get a palindrome (7543834383457).

The spelling of 1312632021326 in words is "one trillion, three hundred twelve billion, six hundred thirty-two million, twenty-one thousand, three hundred twenty-six".