1321213010242 has 8 divisors (see below), whose sum is σ = 1991778408000. Its totient is φ = 657286874244.

The previous prime is 1321213010197. The next prime is 1321213010279. The reversal of 1321213010242 is 2420103121231.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659814942 + ... + 1659815737.

It is an arithmetic number, because the mean of its divisors is an integer number (248972301000).

Almost surely, 2^{1321213010242} is an apocalyptic number.

1321213010242 is a deficient number, since it is larger than the sum of its proper divisors (670565397758).

1321213010242 is a wasteful number, since it uses less digits than its factorization.

1321213010242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319630880.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1321213010242 its reverse (2420103121231), we get a palindrome (3741316131473).

The spelling of 1321213010242 in words is "one trillion, three hundred twenty-one billion, two hundred thirteen million, ten thousand, two hundred forty-two".