212200320401 has 16 divisors (see below), whose sum is σ = 222426622080. Its totient is φ = 202059411840.

The previous prime is 212200320391. The next prime is 212200320403. The reversal of 212200320401 is 104023002212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212200320401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212200320401.

It is not an unprimeable number, because it can be changed into a prime (212200320403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4638626 + ... + 4684148.

It is an arithmetic number, because the mean of its divisors is an integer number (13901663880).

Almost surely, 2^212200320401 is an apocalyptic number.

It is an amenable number.

212200320401 is a deficient number, since it is larger than the sum of its proper divisors (10226301679).

212200320401 is a wasteful number, since it uses less digits than its factorization.

212200320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46456.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212200320401 its reverse (104023002212), we get a palindrome (316223322613).

The spelling of 212200320401 in words is "two hundred twelve billion, two hundred million, three hundred twenty thousand, four hundred one".