211333012 has 24 divisors (see below), whose sum is σ = 403839072. Its totient is φ = 95968800.

The previous prime is 211332977. The next prime is 211333021. The reversal of 211333012 is 210333112.

211333012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69843 + ... + 72805.

It is an arithmetic number, because the mean of its divisors is an integer number (16826628).

Almost surely, 2^211333012 is an apocalyptic number.

211333012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211333012 is a deficient number, since it is larger than the sum of its proper divisors (192506060).

211333012 is a wasteful number, since it uses less digits than its factorization.

211333012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4599 (or 4597 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 211333012 is about 14537.2972728771. The cubic root of 211333012 is about 595.6472132563.

Adding to 211333012 its reverse (210333112), we get a palindrome (421666124).

The spelling of 211333012 in words is "two hundred eleven million, three hundred thirty-three thousand, twelve".