1321010212304 has 20 divisors (see below), whose sum is σ = 2618979550176. Its totient is φ = 645144521952.

The previous prime is 1321010212289. The next prime is 1321010212321. The reversal of 1321010212304 is 4032120101231.

It is a super-2 number, since 2×1321010212304² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 960035804 + ... + 960037179.

Almost surely, 2^{1321010212304} is an apocalyptic number.

It is an amenable number.

1321010212304 is a deficient number, since it is larger than the sum of its proper divisors (1297969337872).

1321010212304 is a wasteful number, since it uses less digits than its factorization.

1321010212304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920073034 (or 1920073028 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1321010212304 its reverse (4032120101231), we get a palindrome (5353130313535).

The spelling of 1321010212304 in words is "one trillion, three hundred twenty-one billion, ten million, two hundred twelve thousand, three hundred four".