212201111252 has 48 divisors (see below), whose sum is σ = 409901376192. Its totient is φ = 95501548800.

The previous prime is 212201111251. The next prime is 212201111303. The reversal of 212201111252 is 252111102212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201111251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264883 + ... + 1422789.

It is an arithmetic number, because the mean of its divisors is an integer number (8539612004).

Almost surely, 2^212201111252 is an apocalyptic number.

It is an amenable number.

212201111252 is a deficient number, since it is larger than the sum of its proper divisors (197700264940).

212201111252 is a wasteful number, since it uses less digits than its factorization.

212201111252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158568 (or 158566 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 212201111252 its reverse (252111102212), we get a palindrome (464312213464).

The spelling of 212201111252 in words is "two hundred twelve billion, two hundred one million, one hundred eleven thousand, two hundred fifty-two".