1232020400213 has 4 divisors (see below), whose sum is σ = 1249372800288. Its totient is φ = 1214668000140.

The previous prime is 1232020400207. The next prime is 1232020400231. The reversal of 1232020400213 is 3120040202321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1232020400213 - 2²⁰ = 1232019351637 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 (1232020400243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8676199931 + ... + 8676200072.

It is an arithmetic number, because the mean of its divisors is an integer number (312343200072).

Almost surely, 2^{1232020400213} is an apocalyptic number.

It is an amenable number.

1232020400213 is a deficient number, since it is larger than the sum of its proper divisors (17352400075).

1232020400213 is an equidigital number, since it uses as much as digits as its factorization.

1232020400213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17352400074.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1232020400213 its reverse (3120040202321), we get a palindrome (4352060602534).

The spelling of 1232020400213 in words is "one trillion, two hundred thirty-two billion, twenty million, four hundred thousand, two hundred thirteen".