1231321302122 has 8 divisors (see below), whose sum is σ = 1847054593956. Its totient is φ = 615636437472.

The previous prime is 1231321302103. The next prime is 1231321302131. The reversal of 1231321302122 is 2212031231321.

It can be written as a sum of positive squares in 2 ways, for example, as 1136524434241 + 94796867881 = 1066079^2 + 307891^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12043163 + ... + 12144974.

Almost surely, 2^{1231321302122} is an apocalyptic number.

1231321302122 is a deficient number, since it is larger than the sum of its proper divisors (615733291834).

1231321302122 is a wasteful number, since it uses less digits than its factorization.

1231321302122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24213592.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1231321302122 its reverse (2212031231321), we get a palindrome (3443352533443).

The spelling of 1231321302122 in words is "one trillion, two hundred thirty-one billion, three hundred twenty-one million, three hundred two thousand, one hundred twenty-two".