1232012023221 has 8 divisors (see below), whose sum is σ = 1877351654464. Its totient is φ = 704006870400.

The previous prime is 1232012023219. The next prime is 1232012023309. The reversal of 1232012023221 is 1223202102321.

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

It is not a de Polignac number, because 1232012023221 - 2¹ = 1232012023219 is a prime.

It is a super-2 number, since 2×1232012023221² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 58667239201 = 1232012023221 / (1 + 2 + 3 + 2 + 0 + 1 + 2 + 0 + 2 + 3 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232012027221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29333619580 + ... + 29333619621.

It is an arithmetic number, because the mean of its divisors is an integer number (234668956808).

Almost surely, 2^{1232012023221} is an apocalyptic number.

It is an amenable number.

1232012023221 is a deficient number, since it is larger than the sum of its proper divisors (645339631243).

1232012023221 is an equidigital number, since it uses as much as digits as its factorization.

1232012023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58667239211.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1232012023221 its reverse (1223202102321), we get a palindrome (2455214125542).

The spelling of 1232012023221 in words is "one trillion, two hundred thirty-two billion, twelve million, twenty-three thousand, two hundred twenty-one".