212002011 has 12 divisors (see below), whose sum is σ = 329781088. Its totient is φ = 130462704.

The previous prime is 212001983. The next prime is 212002027. The reversal of 212002011 is 110200212.

It is not a de Polignac number, because 212002011 - 2⁶ = 212001947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 212001984 and 212002002.

It is not an unprimeable number, because it can be changed into a prime (212002031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 905875 + ... + 906108.

Almost surely, 2^212002011 is an apocalyptic number.

212002011 is a deficient number, since it is larger than the sum of its proper divisors (117779077).

212002011 is a wasteful number, since it uses less digits than its factorization.

212002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812002 (or 1811999 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 212002011 is about 14560.2888364208. The cubic root of 212002011 is about 596.2750811543.

Adding to 212002011 its reverse (110200212), we get a palindrome (322202223).

The spelling of 212002011 in words is "two hundred twelve million, two thousand, eleven".