212427801 has 24 divisors (see below), whose sum is σ = 325559520. Its totient is φ = 133013376.

The previous prime is 212427773. The next prime is 212427821. The reversal of 212427801 is 108724212.

It is not a de Polignac number, because 212427801 - 2²² = 208233497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212427821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93586 + ... + 95828.

It is an arithmetic number, because the mean of its divisors is an integer number (13564980).

Almost surely, 2^212427801 is an apocalyptic number.

It is an amenable number.

212427801 is a deficient number, since it is larger than the sum of its proper divisors (113131719).

212427801 is a wasteful number, since it uses less digits than its factorization.

212427801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885 (or 2882 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 212427801 is about 14574.9031214619. The cubic root of 212427801 is about 596.6740053333.

The spelling of 212427801 in words is "two hundred twelve million, four hundred twenty-seven thousand, eight hundred one".