321200102002 has 32 divisors (see below), whose sum is σ = 531085306752. Its totient is φ = 144755783424.

The previous prime is 321200101987. The next prime is 321200102011. The reversal of 321200102002 is 200201002123.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3902458 + ... + 3983914.

It is an arithmetic number, because the mean of its divisors is an integer number (16596415836).

Almost surely, 2^321200102002 is an apocalyptic number.

321200102002 is a deficient number, since it is larger than the sum of its proper divisors (209885204750).

321200102002 is a wasteful number, since it uses less digits than its factorization.

321200102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85042.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 321200102002 its reverse (200201002123), we get a palindrome (521401104125).

The spelling of 321200102002 in words is "three hundred twenty-one billion, two hundred million, one hundred two thousand, two".