1321232244002 has 32 divisors (see below), whose sum is σ = 2374754872320. Its totient is φ = 544214650320.

The previous prime is 1321232243953. The next prime is 1321232244019. The reversal of 1321232244002 is 2004422321231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68704358 + ... + 68723585.

It is an arithmetic number, because the mean of its divisors is an integer number (74211089760).

Almost surely, 2^{1321232244002} is an apocalyptic number.

1321232244002 is a deficient number, since it is larger than the sum of its proper divisors (1053522628318).

1321232244002 is a wasteful number, since it uses less digits than its factorization.

1321232244002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137427998.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1321232244002 its reverse (2004422321231), we get a palindrome (3325654565233).

The spelling of 1321232244002 in words is "one trillion, three hundred twenty-one billion, two hundred thirty-two million, two hundred forty-four thousand, two".