211212094 has 16 divisors (see below), whose sum is σ = 339148800. Its totient is φ = 98351064.

The previous prime is 211212091. The next prime is 211212101. The reversal of 211212094 is 490212112.

It is a super-2 number, since 2×211212094² = 89221097303729672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211212091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44862 + ... + 49345.

It is an arithmetic number, because the mean of its divisors is an integer number (21196800).

Almost surely, 2^211212094 is an apocalyptic number.

211212094 is a deficient number, since it is larger than the sum of its proper divisors (127936706).

211212094 is a wasteful number, since it uses less digits than its factorization.

211212094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94287.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 211212094 is about 14533.1377892044. The cubic root of 211212094 is about 595.5335881453.

The spelling of 211212094 in words is "two hundred eleven million, two hundred twelve thousand, ninety-four".