212464867 has 2 divisors, whose sum is σ = 212464868. Its totient is φ = 212464866.

The previous prime is 212464843. The next prime is 212464883. The reversal of 212464867 is 768464212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212464867 - 2⁷ = 212464739 is a prime.

It is not a weakly prime, because it can be changed into another prime (212464267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106232433 + 106232434.

It is an arithmetic number, because the mean of its divisors is an integer number (106232434).

Almost surely, 2^212464867 is an apocalyptic number.

212464867 is a deficient number, since it is larger than the sum of its proper divisors (1).

212464867 is an equidigital number, since it uses as much as digits as its factorization.

212464867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 40.

The square root of 212464867 is about 14576.1746353424. The cubic root of 212464867 is about 596.7087073707.

The spelling of 212464867 in words is "two hundred twelve million, four hundred sixty-four thousand, eight hundred sixty-seven".