1213535022321 has 8 divisors (see below), whose sum is σ = 1619195067360. Its totient is φ = 808449162752.

The previous prime is 1213535022313. The next prime is 1213535022353. The reversal of 1213535022321 is 1232205353121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213535022321 - 2³ = 1213535022313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213535029321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143541435 + ... + 143549888.

It is an arithmetic number, because the mean of its divisors is an integer number (202399383420).

Almost surely, 2^{1213535022321} is an apocalyptic number.

It is an amenable number.

1213535022321 is a deficient number, since it is larger than the sum of its proper divisors (405660045039).

1213535022321 is a wasteful number, since it uses less digits than its factorization.

1213535022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287092735.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 1213535022321 in words is "one trillion, two hundred thirteen billion, five hundred thirty-five million, twenty-two thousand, three hundred twenty-one".