1231332011322 has 32 divisors (see below), whose sum is σ = 2905262628864. Its totient is φ = 340460463600.

The previous prime is 1231332011233. The next prime is 1231332011323. The reversal of 1231332011322 is 2231102331321.

It is a junction number, because it is equal to n+sod(n) for n = 1231332011292 and 1231332011301.

It is not an unprimeable number, because it can be changed into a prime (1231332011323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472860454 + ... + 472863057.

It is an arithmetic number, because the mean of its divisors is an integer number (90789457152).

Almost surely, 2^{1231332011322} is an apocalyptic number.

1231332011322 is an abundant number, since it is smaller than the sum of its proper divisors (1673930617542).

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

1231332011322 is a wasteful number, since it uses less digits than its factorization.

1231332011322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945723554.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1231332011322 its reverse (2231102331321), we get a palindrome (3462434342643).

The spelling of 1231332011322 in words is "one trillion, two hundred thirty-one billion, three hundred thirty-two million, eleven thousand, three hundred twenty-two".