3212201220 has 48 divisors (see below), whose sum is σ = 9062843328. Its totient is φ = 850046080.

The previous prime is 3212201207. The next prime is 3212201231. The reversal of 3212201220 is 221022123.

It is a happy number.

It is a super-3 number, since 3×3212201220³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3212201220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196479 + ... + 212198.

It is an arithmetic number, because the mean of its divisors is an integer number (188809236).

Almost surely, 2^3212201220 is an apocalyptic number.

3212201220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3212201220 is an abundant number, since it is smaller than the sum of its proper divisors (5850642108).

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

3212201220 is a wasteful number, since it uses less digits than its factorization.

3212201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408820 (or 408818 counting only the distinct ones).

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

The square root of 3212201220 is about 56676.2844583164. The cubic root of 3212201220 is about 1475.4831273831.

Adding to 3212201220 its reverse (221022123), we get a palindrome (3433223343).

The spelling of 3212201220 in words is "three billion, two hundred twelve million, two hundred one thousand, two hundred twenty".