212201885 has 8 divisors (see below), whose sum is σ = 291019776. Its totient is φ = 145509840.

The previous prime is 212201881. The next prime is 212201893. The reversal of 212201885 is 588102212.

It is a happy number.

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

It is not a de Polignac number, because 212201885 - 2² = 212201881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201881) 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, 3031421 + ... + 3031490.

It is an arithmetic number, because the mean of its divisors is an integer number (36377472).

Almost surely, 2^212201885 is an apocalyptic number.

It is an amenable number.

212201885 is a deficient number, since it is larger than the sum of its proper divisors (78817891).

212201885 is an equidigital number, since it uses as much as digits as its factorization.

212201885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062923.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 212201885 is about 14567.1508882142. The cubic root of 212201885 is about 596.4624102754.

The spelling of 212201885 in words is "two hundred twelve million, two hundred one thousand, eight hundred eighty-five".