3212020221 has 8 divisors (see below), whose sum is σ = 4341360960. Its totient is φ = 2112013152.

The previous prime is 3212020169. The next prime is 3212020223. The reversal of 3212020221 is 1220202123.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3212020221 - 2¹³ = 3212012029 is a prime.

It is a super-2 number, since 2×3212020221² = 20634147800225777682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3212020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212020223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7333161 + ... + 7333598.

It is an arithmetic number, because the mean of its divisors is an integer number (542670120).

Almost surely, 2^3212020221 is an apocalyptic number.

It is an amenable number.

3212020221 is a deficient number, since it is larger than the sum of its proper divisors (1129340739).

3212020221 is a wasteful number, since it uses less digits than its factorization.

3212020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14666835.

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

The square root of 3212020221 is about 56674.6876568367. The cubic root of 3212020221 is about 1475.4554136786.

Adding to 3212020221 its reverse (1220202123), we get a palindrome (4432222344).

The spelling of 3212020221 in words is "three billion, two hundred twelve million, twenty thousand, two hundred twenty-one".