210212222132 has 18 divisors (see below), whose sum is σ = 404354502594. Its totient is φ = 95551009840.

The previous prime is 210212222111. The next prime is 210212222197. The reversal of 210212222132 is 231222212012.

It can be written as a sum of positive squares in only one way, i.e., 195501928336 + 14710293796 = 442156^2 + 121286^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217160903 + ... + 217161870.

It is an arithmetic number, because the mean of its divisors is an integer number (22464139033).

Almost surely, 2^210212222132 is an apocalyptic number.

210212222132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210212222132 is a deficient number, since it is larger than the sum of its proper divisors (194142280462).

210212222132 is a wasteful number, since it uses less digits than its factorization.

210212222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434322799 (or 434322786 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 210212222132 its reverse (231222212012), we get a palindrome (441434434144).

The spelling of 210212222132 in words is "two hundred ten billion, two hundred twelve million, two hundred twenty-two thousand, one hundred thirty-two".