211055412 has 24 divisors (see below), whose sum is σ = 495188512. Its totient is φ = 69962400.

The previous prime is 211055407. The next prime is 211055419. The reversal of 211055412 is 214550112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211055419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46414 + ... + 50757.

Almost surely, 2^211055412 is an apocalyptic number.

It is an amenable number.

211055412 is an abundant number, since it is smaller than the sum of its proper divisors (284133100).

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

211055412 is a wasteful number, since it uses less digits than its factorization.

211055412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97359 (or 97357 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 211055412 is about 14527.7462808242. The cubic root of 211055412 is about 595.3862915355.

The spelling of 211055412 in words is "two hundred eleven million, fifty-five thousand, four hundred twelve".