312200023211 has 4 divisors (see below), whose sum is σ = 328631603400. Its totient is φ = 295768443024.

The previous prime is 312200023147. The next prime is 312200023243. The reversal of 312200023211 is 112320002213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112320002213 = 1103 ⋅101831371.

It is a cyclic number.

It is not a de Polignac number, because 312200023211 - 2⁶ = 312200023147 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 312200023211.

It is not an unprimeable number, because it can be changed into a prime (312200023111) 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, 8215790066 + ... + 8215790103.

It is an arithmetic number, because the mean of its divisors is an integer number (82157900850).

Almost surely, 2^312200023211 is an apocalyptic number.

312200023211 is a deficient number, since it is larger than the sum of its proper divisors (16431580189).

312200023211 is a wasteful number, since it uses less digits than its factorization.

312200023211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16431580188.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 312200023211 its reverse (112320002213), we get a palindrome (424520025424).

The spelling of 312200023211 in words is "three hundred twelve billion, two hundred million, twenty-three thousand, two hundred eleven".