1252004212 has 6 divisors (see below), whose sum is σ = 2191007378. Its totient is φ = 626002104.

The previous prime is 1252004209. The next prime is 1252004233. The reversal of 1252004212 is 2124002521.

It can be written as a sum of positive squares in only one way, i.e., 686230416 + 565773796 = 26196^2 + 23786^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1252004212.

It is a congruent number.

It is an unprimeable number.

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, 156500523 + ... + 156500530.

Almost surely, 2^1252004212 is an apocalyptic number.

It is an amenable number.

1252004212 is a deficient number, since it is larger than the sum of its proper divisors (939003166).

1252004212 is a wasteful number, since it uses less digits than its factorization.

1252004212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313001057 (or 313001055 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1252004212 is about 35383.6715449372. The cubic root of 1252004212 is about 1077.7927634372.

Adding to 1252004212 its reverse (2124002521), we get a palindrome (3376006733).

The spelling of 1252004212 in words is "one billion, two hundred fifty-two million, four thousand, two hundred twelve".