3320121213 has 12 divisors (see below), whose sum is σ = 4798278108. Its totient is φ = 2212238400.

The previous prime is 3320121209. The next prime is 3320121239. The reversal of 3320121213 is 3121210233.

3320121213 is a `hidden beast` number, since 332 + 0 + 121 + 213 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1114691769 + 2205429444 = 33387^2 + 46962^2 .

It is not a de Polignac number, because 3320121213 - 2² = 3320121209 is a prime.

It is a super-2 number, since 2×3320121213² = 22046409738025182738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320121253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79920 + ... + 114137.

It is an arithmetic number, because the mean of its divisors is an integer number (399856509).

Almost surely, 2^3320121213 is an apocalyptic number.

It is an amenable number.

3320121213 is a deficient number, since it is larger than the sum of its proper divisors (1478156895).

3320121213 is a wasteful number, since it uses less digits than its factorization.

3320121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195964 (or 195961 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3320121213 is about 57620.4929951142. The cubic root of 3320121213 is about 1491.8253402209.

Adding to 3320121213 its reverse (3121210233), we get a palindrome (6441331446).

The spelling of 3320121213 in words is "three billion, three hundred twenty million, one hundred twenty-one thousand, two hundred thirteen".