312212230343 has 12 divisors (see below), whose sum is σ = 339177246408. Its totient is φ = 287257108320.

The previous prime is 312212230279. The next prime is 312212230357. The reversal of 312212230343 is 343032212213.

It is a happy number.

It is not a de Polignac number, because 312212230343 - 2⁶ = 312212230279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312212230373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2956928 + ... + 3060693.

It is an arithmetic number, because the mean of its divisors is an integer number (28264770534).

Almost surely, 2^312212230343 is an apocalyptic number.

312212230343 is a deficient number, since it is larger than the sum of its proper divisors (26965016065).

312212230343 is a wasteful number, since it uses less digits than its factorization.

312212230343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017954 (or 6017941 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 312212230343 its reverse (343032212213), we get a palindrome (655244442556).

The spelling of 312212230343 in words is "three hundred twelve billion, two hundred twelve million, two hundred thirty thousand, three hundred forty-three".