212067427 has 16 divisors (see below), whose sum is σ = 249758208. Its totient is φ = 177518880.

The previous prime is 212067413. The next prime is 212067433. The reversal of 212067427 is 724760212.

212067427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212067427 - 2²⁷ = 77849699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212067487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64608 + ... + 67810.

It is an arithmetic number, because the mean of its divisors is an integer number (15609888).

Almost surely, 2^212067427 is an apocalyptic number.

212067427 is a deficient number, since it is larger than the sum of its proper divisors (37690781).

212067427 is a wasteful number, since it uses less digits than its factorization.

212067427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 212067427 is about 14562.5350471681. The cubic root of 212067427 is about 596.3364043453.

The spelling of 212067427 in words is "two hundred twelve million, sixty-seven thousand, four hundred twenty-seven".