1321312423102 has 16 divisors (see below), whose sum is σ = 2265160036320. Its totient is φ = 566263496448.

The previous prime is 1321312423087. The next prime is 1321312423117. The reversal of 1321312423102 is 2013242131231.

It is an interprime number because it is at equal distance from previous prime (1321312423087) and next prime (1321312423117).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472827 + ... + 1692982.

It is an arithmetic number, because the mean of its divisors is an integer number (141572502270).

Almost surely, 2^{1321312423102} is an apocalyptic number.

1321312423102 is a deficient number, since it is larger than the sum of its proper divisors (943847613218).

1321312423102 is a wasteful number, since it uses less digits than its factorization.

1321312423102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209395.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1321312423102 its reverse (2013242131231), we get a palindrome (3334554554333).

The spelling of 1321312423102 in words is "one trillion, three hundred twenty-one billion, three hundred twelve million, four hundred twenty-three thousand, one hundred two".