1321023000213 has 24 divisors (see below), whose sum is σ = 2295511982400. Its totient is φ = 715140270144.

The previous prime is 1321023000181. The next prime is 1321023000281. The reversal of 1321023000213 is 3120003201231.

1321023000213 is a `hidden beast` number, since 13 + 210 + 230 + 0 + 0 + 213 = 666.

It is not a de Polignac number, because 1321023000213 - 2⁵ = 1321023000181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321023000013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 551804568 + ... + 551806961.

It is an arithmetic number, because the mean of its divisors is an integer number (95646332600).

Almost surely, 2^{1321023000213} is an apocalyptic number.

It is an amenable number.

1321023000213 is a deficient number, since it is larger than the sum of its proper divisors (974488982187).

1321023000213 is a wasteful number, since it uses less digits than its factorization.

1321023000213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103611561 (or 1103611558 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1321023000213 its reverse (3120003201231), we get a palindrome (4441026201444).

The spelling of 1321023000213 in words is "one trillion, three hundred twenty-one billion, twenty-three million, two hundred thirteen", and thus it is an aban number.