3201222012 has 48 divisors (see below), whose sum is σ = 7506643200. Its totient is φ = 1061786880.

The previous prime is 3201222007. The next prime is 3201222023. The reversal of 3201222012 is 2102221023.

It is a happy number.

It is a super-2 number, since 2×3201222012² = 20495644740226656288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3201221982 and 3201222000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3172164 + ... + 3173172.

It is an arithmetic number, because the mean of its divisors is an integer number (156388400).

Almost surely, 2^3201222012 is an apocalyptic number.

It is an amenable number.

3201222012 is an abundant number, since it is smaller than the sum of its proper divisors (4305421188).

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

3201222012 is a wasteful number, since it uses less digits than its factorization.

3201222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066 (or 2064 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3201222012 is about 56579.3426260857. The cubic root of 3201222012 is about 1473.8001560294.

Adding to 3201222012 its reverse (2102221023), we get a palindrome (5303443035).

The spelling of 3201222012 in words is "three billion, two hundred one million, two hundred twenty-two thousand, twelve".