3120321221002 has 8 divisors (see below), whose sum is σ = 4680532671300. Its totient is φ = 1560143663904.

The previous prime is 3120321220999. The next prime is 3120321221009. The reversal of 3120321221002 is 2001221230213.

It can be written as a sum of positive squares in 2 ways, for example, as 3024994041001 + 95327180001 = 1739251^2 + 308751^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3120321221009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8241877 + ... + 8612152.

Almost surely, 2^{3120321221002} is an apocalyptic number.

3120321221002 is a deficient number, since it is larger than the sum of its proper divisors (1560211450298).

3120321221002 is a wasteful number, since it uses less digits than its factorization.

3120321221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16946600.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 3120321221002 its reverse (2001221230213), we get a palindrome (5121542451215).

The spelling of 3120321221002 in words is "three trillion, one hundred twenty billion, three hundred twenty-one million, two hundred twenty-one thousand, two".