211213132 has 12 divisors (see below), whose sum is σ = 398055616. Its totient is φ = 97482960.

The previous prime is 211213103. The next prime is 211213147. The reversal of 211213132 is 231312112.

It is a super-2 number, since 2×211213132² = 89221974258498848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030844 + ... + 2030947.

Almost surely, 2^211213132 is an apocalyptic number.

It is an amenable number.

211213132 is a deficient number, since it is larger than the sum of its proper divisors (186842484).

211213132 is a wasteful number, since it uses less digits than its factorization.

211213132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061808 (or 4061806 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 211213132 is about 14533.1735006502. The cubic root of 211213132 is about 595.5345637253.

Adding to 211213132 its reverse (231312112), we get a palindrome (442525244).

The spelling of 211213132 in words is "two hundred eleven million, two hundred thirteen thousand, one hundred thirty-two".