120213001321 has 8 divisors (see below), whose sum is σ = 137388516224. Its totient is φ = 103038043680.

The previous prime is 120213001309. The next prime is 120213001373. The reversal of 120213001321 is 123100312021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120213001321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120213001295 and 120213001304.

It is not an unprimeable number, because it can be changed into a prime (120213001621) 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, 550996 + ... + 737578.

It is an arithmetic number, because the mean of its divisors is an integer number (17173564528).

Almost surely, 2^120213001321 is an apocalyptic number.

It is an amenable number.

120213001321 is a deficient number, since it is larger than the sum of its proper divisors (17175514903).

120213001321 is an equidigital number, since it uses as much as digits as its factorization.

120213001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278631.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120213001321 its reverse (123100312021), we get a palindrome (243313313342).

The spelling of 120213001321 in words is "one hundred twenty billion, two hundred thirteen million, one thousand, three hundred twenty-one".