1232011321213 has 8 divisors (see below), whose sum is σ = 1304641169208. Its totient is φ = 1159399094784.

The previous prime is 1232011321207. The next prime is 1232011321217. The reversal of 1232011321213 is 3121231102321.

It can be written as a sum of positive squares in 4 ways, for example, as 129757007524 + 1102254313689 = 360218^2 + 1049883^2 .

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

It is not a de Polignac number, because 1232011321213 - 2³⁷ = 1094572367741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232011321217) 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, 4261306 + ... + 4541227.

It is an arithmetic number, because the mean of its divisors is an integer number (163080146151).

Almost surely, 2^{1232011321213} is an apocalyptic number.

It is an amenable number.

1232011321213 is a deficient number, since it is larger than the sum of its proper divisors (72629847995).

1232011321213 is an equidigital number, since it uses as much as digits as its factorization.

1232011321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8810783.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1232011321213 its reverse (3121231102321), we get a palindrome (4353242423534).

The spelling of 1232011321213 in words is "one trillion, two hundred thirty-two billion, eleven million, three hundred twenty-one thousand, two hundred thirteen".