312242413243252 has 24 divisors (see below), whose sum is σ = 550183183435424. Its totient is φ = 155050889733792.

The previous prime is 312242413243183. The next prime is 312242413243283. The reversal of 312242413243252 is 252342314242213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458629278 + ... + 459309589.

Almost surely, 2^{312242413243252} is an apocalyptic number.

It is an amenable number.

312242413243252 is a deficient number, since it is larger than the sum of its proper divisors (237940770192172).

312242413243252 is a wasteful number, since it uses less digits than its factorization.

312242413243252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917939455 (or 917939453 counting only the distinct ones).

The product of its digits is 552960, while the sum is 40.

Adding to 312242413243252 its reverse (252342314242213), we get a palindrome (564584727485465).

The spelling of 312242413243252 in words is "three hundred twelve trillion, two hundred forty-two billion, four hundred thirteen million, two hundred forty-three thousand, two hundred fifty-two".