312011224003214 has 4 divisors (see below), whose sum is σ = 468016836004824. Its totient is φ = 156005612001606.

The previous prime is 312011224003211. The next prime is 312011224003273. The reversal of 312011224003214 is 412300422110213.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312011224003211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78002806000802 + ... + 78002806000805.

It is an arithmetic number, because the mean of its divisors is an integer number (117004209001206).

Almost surely, 2^{312011224003214} is an apocalyptic number.

312011224003214 is a deficient number, since it is larger than the sum of its proper divisors (156005612001610).

312011224003214 is a wasteful number, since it uses less digits than its factorization.

312011224003214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156005612001609.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 312011224003214 its reverse (412300422110213), we get a palindrome (724311646113427).

The spelling of 312011224003214 in words is "three hundred twelve trillion, eleven billion, two hundred twenty-four million, three thousand, two hundred fourteen".