312212053 has 4 divisors (see below), whose sum is σ = 315973728. Its totient is φ = 308450380.

The previous prime is 312212003. The next prime is 312212077. The reversal of 312212053 is 350212213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350212213 = 13 ⋅26939401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312212053 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 312212053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312212003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1880713 + ... + 1880878.

It is an arithmetic number, because the mean of its divisors is an integer number (78993432).

Almost surely, 2^312212053 is an apocalyptic number.

It is an amenable number.

312212053 is a deficient number, since it is larger than the sum of its proper divisors (3761675).

312212053 is an equidigital number, since it uses as much as digits as its factorization.

312212053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761674.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 312212053 is about 17669.5232816282. The cubic root of 312212053 is about 678.3959111892.

Adding to 312212053 its reverse (350212213), we get a palindrome (662424266).

The spelling of 312212053 in words is "three hundred twelve million, two hundred twelve thousand, fifty-three".