3122012321201 has 4 divisors (see below), whose sum is σ = 3154198015332. Its totient is φ = 3089826627072.

The previous prime is 3122012321191. The next prime is 3122012321203. The reversal of 3122012321201 is 1021232102213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1093381831201 + 2028630490000 = 1045649^2 + 1424300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3122012321201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3122012321203) 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, 16092846920 + ... + 16092847113.

It is an arithmetic number, because the mean of its divisors is an integer number (788549503833).

Almost surely, 2^{3122012321201} is an apocalyptic number.

It is an amenable number.

3122012321201 is a deficient number, since it is larger than the sum of its proper divisors (32185694131).

3122012321201 is an equidigital number, since it uses as much as digits as its factorization.

3122012321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32185694130.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 3122012321201 its reverse (1021232102213), we get a palindrome (4143244423414).

The spelling of 3122012321201 in words is "three trillion, one hundred twenty-two billion, twelve million, three hundred twenty-one thousand, two hundred one".