1213433101321 has 8 divisors (see below), whose sum is σ = 1447075499904. Its totient is φ = 994864405920.

The previous prime is 1213433101301. The next prime is 1213433101343. The reversal of 1213433101321 is 1231013343121.

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

It is not a de Polignac number, because 1213433101321 - 2⁷ = 1213433101193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213433101301) 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, 3768425620 + ... + 3768425941.

It is an arithmetic number, because the mean of its divisors is an integer number (180884437488).

Almost surely, 2^{1213433101321} is an apocalyptic number.

It is an amenable number.

1213433101321 is a deficient number, since it is larger than the sum of its proper divisors (233642398583).

1213433101321 is an equidigital number, since it uses as much as digits as its factorization.

1213433101321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536851591.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1213433101321 its reverse (1231013343121), we get a palindrome (2444446444442).

The spelling of 1213433101321 in words is "one trillion, two hundred thirteen billion, four hundred thirty-three million, one hundred one thousand, three hundred twenty-one".