211204412 has 6 divisors (see below), whose sum is σ = 369607728. Its totient is φ = 105602204.

The previous prime is 211204391. The next prime is 211204439. The reversal of 211204412 is 214402112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26400548 + ... + 26400555.

It is an arithmetic number, because the mean of its divisors is an integer number (61601288).

Almost surely, 2^211204412 is an apocalyptic number.

It is an amenable number.

211204412 is a deficient number, since it is larger than the sum of its proper divisors (158403316).

211204412 is a wasteful number, since it uses less digits than its factorization.

211204412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52801107 (or 52801105 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 211204412 is about 14532.8734942543. The cubic root of 211204412 is about 595.5263680025.

Adding to 211204412 its reverse (214402112), we get a palindrome (425606524).

The spelling of 211204412 in words is "two hundred eleven million, two hundred four thousand, four hundred twelve".