1232301310221 has 16 divisors (see below), whose sum is σ = 1657755131904. Its totient is φ = 814204513584.

The previous prime is 1232301310217. The next prime is 1232301310231. The reversal of 1232301310221 is 1220131032321.

It is not a de Polignac number, because 1232301310221 - 2² = 1232301310217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232301310231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1346895 + ... + 2068508.

It is an arithmetic number, because the mean of its divisors is an integer number (103609695744).

Almost surely, 2^{1232301310221} is an apocalyptic number.

It is an amenable number.

1232301310221 is a deficient number, since it is larger than the sum of its proper divisors (425453821683).

1232301310221 is a wasteful number, since it uses less digits than its factorization.

1232301310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416480.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1232301310221 its reverse (1220131032321), we get a palindrome (2452432342542).

The spelling of 1232301310221 in words is "one trillion, two hundred thirty-two billion, three hundred one million, three hundred ten thousand, two hundred twenty-one".