3230032121021 has 4 divisors (see below), whose sum is σ = 3317330286492. Its totient is φ = 3142733955552.

The previous prime is 3230032120981. The next prime is 3230032121023. The reversal of 3230032121021 is 1201212300323.

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 1761114784900 + 1468917336121 = 1327070^2 + 1211989^2 .

It is a cyclic number.

It is not a de Polignac number, because 3230032121021 - 2²² = 3230027926717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3230032120984 and 3230032121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230032121023) 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, 43649082680 + ... + 43649082753.

It is an arithmetic number, because the mean of its divisors is an integer number (829332571623).

Almost surely, 2^{3230032121021} is an apocalyptic number.

It is an amenable number.

3230032121021 is a deficient number, since it is larger than the sum of its proper divisors (87298165471).

3230032121021 is an equidigital number, since it uses as much as digits as its factorization.

3230032121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87298165470.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3230032121021 its reverse (1201212300323), we get a palindrome (4431244421344).

The spelling of 3230032121021 in words is "three trillion, two hundred thirty billion, thirty-two million, one hundred twenty-one thousand, twenty-one".