1232162612321 has 4 divisors (see below), whose sum is σ = 1235008253892. Its totient is φ = 1229316970752.

The previous prime is 1232162612309. The next prime is 1232162612341.

1232162612321 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 411034854400 + 821127757921 = 641120^2 + 906161^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232162612321 - 2³⁴ = 1214982743137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1232162612341) 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, 1422820136 + ... + 1422821001.

It is an arithmetic number, because the mean of its divisors is an integer number (308752063473).

Almost surely, 2^{1232162612321} is an apocalyptic number.

It is an amenable number.

1232162612321 is a deficient number, since it is larger than the sum of its proper divisors (2845641571).

1232162612321 is an equidigital number, since it uses as much as digits as its factorization.

1232162612321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845641570.

The product of its digits is 10368, while the sum is 32.

The spelling of 1232162612321 in words is "one trillion, two hundred thirty-two billion, one hundred sixty-two million, six hundred twelve thousand, three hundred twenty-one".