212312033 has 8 divisors (see below), whose sum is σ = 213404352. Its totient is φ = 211223376.

The previous prime is 212312029. The next prime is 212312039. The reversal of 212312033 is 330213212.

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 212312033 - 2² = 212312029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212312039) 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, 265991 + ... + 266787.

It is an arithmetic number, because the mean of its divisors is an integer number (26675544).

Almost surely, 2^212312033 is an apocalyptic number.

It is an amenable number.

212312033 is a deficient number, since it is larger than the sum of its proper divisors (1092319).

212312033 is an equidigital number, since it uses as much as digits as its factorization.

212312033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 212312033 is about 14570.9310958497. The cubic root of 212312033 is about 596.5655946829.

Adding to 212312033 its reverse (330213212), we get a palindrome (542525245).

The spelling of 212312033 in words is "two hundred twelve million, three hundred twelve thousand, thirty-three".