212201334 has 24 divisors (see below), whose sum is σ = 469553760. Its totient is φ = 69228528.

The previous prime is 212201333. The next prime is 212201351. The reversal of 212201334 is 433102212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124569 + ... + 126260.

It is an arithmetic number, because the mean of its divisors is an integer number (19564740).

Almost surely, 2^212201334 is an apocalyptic number.

212201334 is an abundant number, since it is smaller than the sum of its proper divisors (257352426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212201334 is a wasteful number, since it uses less digits than its factorization.

212201334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250884 (or 250881 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 212201334 is about 14567.1319757871. The cubic root of 212201334 is about 596.4618940200.

Adding to 212201334 its reverse (433102212), we get a palindrome (645303546).

The spelling of 212201334 in words is "two hundred twelve million, two hundred one thousand, three hundred thirty-four".