1312223300032 has 28 divisors (see below), whose sum is σ = 2687941279936. Its totient is φ = 634946757120.

The previous prime is 1312223299999. The next prime is 1312223300039. The reversal of 1312223300032 is 2300033222131.

It is a junction number, because it is equal to n+sod(n) for n = 1312223299976 and 1312223300012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312223300039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330699453 + ... + 330703420.

Almost surely, 2^{1312223300032} is an apocalyptic number.

It is an amenable number.

1312223300032 is an abundant number, since it is smaller than the sum of its proper divisors (1375717979904).

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

1312223300032 is an equidigital number, since it uses as much as digits as its factorization.

1312223300032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661402916 (or 661402906 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1312223300032 its reverse (2300033222131), we get a palindrome (3612256522163).

The spelling of 1312223300032 in words is "one trillion, three hundred twelve billion, two hundred twenty-three million, three hundred thousand, thirty-two".