312220032210011 has 4 divisors (see below), whose sum is σ = 312338611791912. Its totient is φ = 312101452628112.

The previous prime is 312220032210007. The next prime is 312220032210017. The reversal of 312220032210011 is 110012230022213.

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

It is a cyclic number.

It is not a de Polignac number, because 312220032210011 - 2² = 312220032210007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312220032210017) 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, 59289787001 + ... + 59289792266.

It is an arithmetic number, because the mean of its divisors is an integer number (78084652947978).

Almost surely, 2^{312220032210011} is an apocalyptic number.

312220032210011 is a deficient number, since it is larger than the sum of its proper divisors (118579581901).

312220032210011 is a wasteful number, since it uses less digits than its factorization.

312220032210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118579581900.

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

Adding to 312220032210011 its reverse (110012230022213), we get a palindrome (422232262232224).

The spelling of 312220032210011 in words is "three hundred twelve trillion, two hundred twenty billion, thirty-two million, two hundred ten thousand, eleven".