312202112311211 has 8 divisors (see below), whose sum is σ = 313569991243680. Its totient is φ = 310834272952512.

The previous prime is 312202112311121. The next prime is 312202112311237. The reversal of 312202112311211 is 112113211202213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312202112311211 - 2³⁸ = 311927234404267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312202112311291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5974991 + ... + 25692503.

It is an arithmetic number, because the mean of its divisors is an integer number (39196248905460).

Almost surely, 2^{312202112311211} is an apocalyptic number.

312202112311211 is a deficient number, since it is larger than the sum of its proper divisors (1367878932469).

312202112311211 is a wasteful number, since it uses less digits than its factorization.

312202112311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19786885.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 312202112311211 its reverse (112113211202213), we get a palindrome (424315323513424).

The spelling of 312202112311211 in words is "three hundred twelve trillion, two hundred two billion, one hundred twelve million, three hundred eleven thousand, two hundred eleven".