312101211203 has 8 divisors (see below), whose sum is σ = 328548587520. Its totient is φ = 295655934600.

The previous prime is 312101211193. The next prime is 312101211251. The reversal of 312101211203 is 302112101213.

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 312101211203 - 2⁴ = 312101211187 is a prime.

It is a super-2 number, since 2×312101211203² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312101211283) 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 7 ways as a sum of consecutive naturals, for example, 215123 + ... + 818828.

It is an arithmetic number, because the mean of its divisors is an integer number (41068573440).

Almost surely, 2^312101211203 is an apocalyptic number.

312101211203 is a deficient number, since it is larger than the sum of its proper divisors (16447376317).

312101211203 is a wasteful number, since it uses less digits than its factorization.

312101211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049857.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 312101211203 its reverse (302112101213), we get a palindrome (614213312416).

The spelling of 312101211203 in words is "three hundred twelve billion, one hundred one million, two hundred eleven thousand, two hundred three".