212264851 has 2 divisors, whose sum is σ = 212264852. Its totient is φ = 212264850.

The previous prime is 212264821. The next prime is 212264867. The reversal of 212264851 is 158462212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212264851 is a prime.

It is not a weakly prime, because it can be changed into another prime (212264821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106132425 + 106132426.

It is an arithmetic number, because the mean of its divisors is an integer number (106132426).

Almost surely, 2^212264851 is an apocalyptic number.

212264851 is a deficient number, since it is larger than the sum of its proper divisors (1).

212264851 is an equidigital number, since it uses as much as digits as its factorization.

212264851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 31.

The square root of 212264851 is about 14569.3119604187. The cubic root of 212264851 is about 596.5213999148.

The spelling of 212264851 in words is "two hundred twelve million, two hundred sixty-four thousand, eight hundred fifty-one".