212288601 has 16 divisors (see below), whose sum is σ = 328792448. Its totient is φ = 119318400.

The previous prime is 212288591. The next prime is 212288617. The reversal of 212288601 is 106882212.

It is not a de Polignac number, because 212288601 - 2⁵ = 212288569 is a prime.

It is a super-2 number, since 2×212288601² = 90132900229074402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212288621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81580 + ... + 84141.

It is an arithmetic number, because the mean of its divisors is an integer number (20549528).

Almost surely, 2^212288601 is an apocalyptic number.

212288601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212288601 is a deficient number, since it is larger than the sum of its proper divisors (116503847).

212288601 is a wasteful number, since it uses less digits than its factorization.

212288601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165792.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 212288601 is about 14570.1270069962. The cubic root of 212288601 is about 596.5436470506.

The spelling of 212288601 in words is "two hundred twelve million, two hundred eighty-eight thousand, six hundred one".