212634133 has 2 divisors, whose sum is σ = 212634134. Its totient is φ = 212634132.

The previous prime is 212634101. The next prime is 212634143. The reversal of 212634133 is 331436212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135070884 + 77563249 = 11622^2 + 8807^2 .

It is a cyclic number.

It is not a de Polignac number, because 212634133 - 2⁵ = 212634101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212634098 and 212634107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212634143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106317066 + 106317067.

It is an arithmetic number, because the mean of its divisors is an integer number (106317067).

Almost surely, 2^212634133 is an apocalyptic number.

It is an amenable number.

212634133 is a deficient number, since it is larger than the sum of its proper divisors (1).

212634133 is an equidigital number, since it uses as much as digits as its factorization.

212634133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

The square root of 212634133 is about 14581.9797352760. The cubic root of 212634133 is about 596.8671267951.

The spelling of 212634133 in words is "two hundred twelve million, six hundred thirty-four thousand, one hundred thirty-three".