3212303223220 has 288 divisors, whose sum is σ = 8665451698176. Its totient is φ = 978370099200.

The previous prime is 3212303223161. The next prime is 3212303223229. The reversal of 3212303223220 is 223223032123.

It is a super-2 number, since 2×3212303223220² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212303223229) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 132744162 + ... + 132768358.

It is an arithmetic number, because the mean of its divisors is an integer number (30088373952).

Almost surely, 2^{3212303223220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3212303223220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4332725849088).

3212303223220 is an abundant number, since it is smaller than the sum of its proper divisors (5453148474956).

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

3212303223220 is a wasteful number, since it uses less digits than its factorization.

3212303223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24451 (or 24436 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 3212303223220 its reverse (223223032123), we get a palindrome (3435526255343).

The spelling of 3212303223220 in words is "three trillion, two hundred twelve billion, three hundred three million, two hundred twenty-three thousand, two hundred twenty".