212426195 has 4 divisors (see below), whose sum is σ = 254911440. Its totient is φ = 169940952.

The previous prime is 212426191. The next prime is 212426219. The reversal of 212426195 is 591624212.

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 212426195 - 2² = 212426191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212426191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21242615 + ... + 21242624.

It is an arithmetic number, because the mean of its divisors is an integer number (63727860).

Almost surely, 2^212426195 is an apocalyptic number.

212426195 is a deficient number, since it is larger than the sum of its proper divisors (42485245).

212426195 is an equidigital number, since it uses as much as digits as its factorization.

212426195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42485244.

The product of its digits is 8640, while the sum is 32.

The square root of 212426195 is about 14574.8480266519. The cubic root of 212426195 is about 596.6725016682.

The spelling of 212426195 in words is "two hundred twelve million, four hundred twenty-six thousand, one hundred ninety-five".