3320212431421 has 16 divisors (see below), whose sum is σ = 3522019745088. Its totient is φ = 3119132665600.

The previous prime is 3320212431343. The next prime is 3320212431449. The reversal of 3320212431421 is 1241342120233.

It is a cyclic number.

It is not a de Polignac number, because 3320212431421 - 2²⁷ = 3320078213693 is a prime.

It is a super-2 number, since 2×3320212431421² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3320212431421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320212431461) 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, 20443266 + ... + 20605036.

It is an arithmetic number, because the mean of its divisors is an integer number (220126234068).

Almost surely, 2^{3320212431421} is an apocalyptic number.

It is an amenable number.

3320212431421 is a deficient number, since it is larger than the sum of its proper divisors (201807313667).

3320212431421 is a wasteful number, since it uses less digits than its factorization.

3320212431421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164012.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 3320212431421 its reverse (1241342120233), we get a palindrome (4561554551654).

The spelling of 3320212431421 in words is "three trillion, three hundred twenty billion, two hundred twelve million, four hundred thirty-one thousand, four hundred twenty-one".