3213020221000 has 128 divisors (see below), whose sum is σ = 7618755231360. Its totient is φ = 1268104416000.

The previous prime is 3213020220997. The next prime is 3213020221003. The reversal of 3213020221000 is 1220203123.

It is an interprime number because it is at equal distance from previous prime (3213020220997) and next prime (3213020221003).

It is not an unprimeable number, because it can be changed into a prime (3213020221003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66126715 + ... + 66175285.

It is an arithmetic number, because the mean of its divisors is an integer number (59521525245).

Almost surely, 2^{3213020221000} 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 3213020221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3809377615680).

3213020221000 is an abundant number, since it is smaller than the sum of its proper divisors (4405735010360).

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

3213020221000 is a wasteful number, since it uses less digits than its factorization.

3213020221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49472 (or 49458 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 3213020221000 its reverse (1220203123), we get a palindrome (3214240424123).

The spelling of 3213020221000 in words is "three trillion, two hundred thirteen billion, twenty million, two hundred twenty-one thousand".