211444012 has 36 divisors (see below), whose sum is σ = 402131520. Its totient is φ = 97236672.

The previous prime is 211444007. The next prime is 211444021. The reversal of 211444012 is 210444112.

It is a super-2 number, since 2×211444012² = 89417140421312288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323478 + ... + 324130.

It is an arithmetic number, because the mean of its divisors is an integer number (11170320).

Almost surely, 2^211444012 is an apocalyptic number.

It is an amenable number.

211444012 is a deficient number, since it is larger than the sum of its proper divisors (190687508).

211444012 is a wasteful number, since it uses less digits than its factorization.

211444012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 211444012 is about 14541.1145377512. The cubic root of 211444012 is about 595.7514803996.

Adding to 211444012 its reverse (210444112), we get a palindrome (421888124).

The spelling of 211444012 in words is "two hundred eleven million, four hundred forty-four thousand, twelve".