3220233121056 has 96 divisors (see below), whose sum is σ = 9972334891008. Its totient is φ = 890387032320.

The previous prime is 3220233121033. The next prime is 3220233121057. The reversal of 3220233121056 is 6501213320223.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (3220233121057) 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, 77269710 + ... + 77311373.

It is an arithmetic number, because the mean of its divisors is an integer number (103878488448).

Almost surely, 2^{3220233121056} is an apocalyptic number.

It is an amenable number.

3220233121056 is an abundant number, since it is smaller than the sum of its proper divisors (6752101769952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3220233121056 is a wasteful number, since it uses less digits than its factorization.

3220233121056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154581134 (or 154581126 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 3220233121056 its reverse (6501213320223), we get a palindrome (9721446441279).

The spelling of 3220233121056 in words is "three trillion, two hundred twenty billion, two hundred thirty-three million, one hundred twenty-one thousand, fifty-six".