212235801 has 8 divisors (see below), whose sum is σ = 283214784. Its totient is φ = 141373680.

The previous prime is 212235781. The next prime is 212235817. The reversal of 212235801 is 108532212.

212235801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212235801 - 2²⁶ = 145126937 is a prime.

It is a super-2 number, since 2×212235801² = 90088070452223202, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212235901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24885 + ... + 32306.

It is an arithmetic number, because the mean of its divisors is an integer number (35401848).

Almost surely, 2^212235801 is an apocalyptic number.

It is an amenable number.

212235801 is a deficient number, since it is larger than the sum of its proper divisors (70978983).

212235801 is a wasteful number, since it uses less digits than its factorization.

212235801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58431.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 212235801 is about 14568.3149677648. The cubic root of 212235801 is about 596.4941858986.

The spelling of 212235801 in words is "two hundred twelve million, two hundred thirty-five thousand, eight hundred one".