2051212 has 6 divisors (see below), whose sum is σ = 3589628. Its totient is φ = 1025604.

The previous prime is 2051191. The next prime is 2051219. The reversal of 2051212 is 2121502.

It is a junction number, because it is equal to n+sod(n) for n = 2051192 and 2051201.

It is not an unprimeable number, because it can be changed into a prime (2051219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256398 + ... + 256405.

2^2051212 is an apocalyptic number.

It is an amenable number.

2051212 is a deficient number, since it is larger than the sum of its proper divisors (1538416).

2051212 is a wasteful number, since it uses less digits than its factorization.

2051212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512807 (or 512805 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2051212 is about 1432.2052925471. The cubic root of 2051212 is about 127.0584392219.

Adding to 2051212 its reverse (2121502), we get a palindrome (4172714).

The spelling of 2051212 in words is "two million, fifty-one thousand, two hundred twelve".