212233245331 has 4 divisors (see below), whose sum is σ = 213638763664. Its totient is φ = 210827727000.

The previous prime is 212233245319. The next prime is 212233245377. The reversal of 212233245331 is 133542332212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212233245331 - 2³⁵ = 177873506963 is a prime.

It is a super-2 number, since 2×212233245331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212233245293 and 212233245302.

It is not an unprimeable number, because it can be changed into a prime (212233245311) 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 3 ways as a sum of consecutive naturals, for example, 702758940 + ... + 702759241.

It is an arithmetic number, because the mean of its divisors is an integer number (53409690916).

Almost surely, 2^212233245331 is an apocalyptic number.

212233245331 is a deficient number, since it is larger than the sum of its proper divisors (1405518333).

212233245331 is a wasteful number, since it uses less digits than its factorization.

212233245331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405518332.

The product of its digits is 25920, while the sum is 31.

Adding to 212233245331 its reverse (133542332212), we get a palindrome (345775577543).

The spelling of 212233245331 in words is "two hundred twelve billion, two hundred thirty-three million, two hundred forty-five thousand, three hundred thirty-one".