1001212 has 12 divisors (see below), whose sum is σ = 1793176. Its totient is φ = 488880.

The previous prime is 1001197. The next prime is 1001219. The reversal of 1001212 is 2121001.

It is an Ulam number.

1001212 is a modest number, since divided by 1212 gives 100 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1001195 and 1001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2739 + ... + 3082.

2^1001212 is an apocalyptic number.

It is an amenable number.

1001212 is a deficient number, since it is larger than the sum of its proper divisors (791964).

1001212 is a wasteful number, since it uses less digits than its factorization.

1001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868 (or 5866 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1001212 is about 1000.6058164932. The cubic root of 1001212 is about 100.0403836894.

Adding to 1001212 its reverse (2121001), we get a palindrome (3122213).

It can be divided in two parts, 1001 and 212, that multiplied together give a palindrome (212212).

The spelling of 1001212 in words is "one million, one thousand, two hundred twelve".