312010222201 has 4 divisors (see below), whose sum is σ = 312011595252. Its totient is φ = 312008849152.

The previous prime is 312010222189. The next prime is 312010222207. The reversal of 312010222201 is 102222010213.

It is a happy number.

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 19086804025 + 292923418176 = 138155^2 + 541224^2 .

It is a cyclic number.

It is not a de Polignac number, because 312010222201 - 2²⁹ = 311473351289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312010222207) 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, 255436 + ... + 830221.

It is an arithmetic number, because the mean of its divisors is an integer number (78002898813).

Almost surely, 2^312010222201 is an apocalyptic number.

It is an amenable number.

312010222201 is a deficient number, since it is larger than the sum of its proper divisors (1373051).

312010222201 is a wasteful number, since it uses less digits than its factorization.

312010222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373050.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 312010222201 its reverse (102222010213), we get a palindrome (414232232414).

The spelling of 312010222201 in words is "three hundred twelve billion, ten million, two hundred twenty-two thousand, two hundred one".