212012011 has 8 divisors (see below), whose sum is σ = 220641120. Its totient is φ = 203470848.

The previous prime is 212011993. The next prime is 212012033. The reversal of 212012011 is 110210212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212012011 - 2⁵ = 212011979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212012071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17046 + ... + 26731.

It is an arithmetic number, because the mean of its divisors is an integer number (27580140).

Almost surely, 2^212012011 is an apocalyptic number.

212012011 is a deficient number, since it is larger than the sum of its proper divisors (8629109).

212012011 is a wasteful number, since it uses less digits than its factorization.

212012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43973.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 212012011 is about 14560.6322321526. The cubic root of 212012011 is about 596.2844563123.

Adding to 212012011 its reverse (110210212), we get a palindrome (322222223).

The spelling of 212012011 in words is "two hundred twelve million, twelve thousand, eleven".