211192012 has 6 divisors (see below), whose sum is σ = 369586028. Its totient is φ = 105596004.

The previous prime is 211191991. The next prime is 211192021. The reversal of 211192012 is 210291112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26398998 + ... + 26399005.

Almost surely, 2^211192012 is an apocalyptic number.

It is an amenable number.

211192012 is a deficient number, since it is larger than the sum of its proper divisors (158394016).

211192012 is a wasteful number, since it uses less digits than its factorization.

211192012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52798007 (or 52798005 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 211192012 is about 14532.4468689894. The cubic root of 211192012 is about 595.5147131457.

The spelling of 211192012 in words is "two hundred eleven million, one hundred ninety-two thousand, twelve".