1212252 has 12 divisors (see below), whose sum is σ = 2828616. Its totient is φ = 404080.

The previous prime is 1212251. The next prime is 1212259. The reversal of 1212252 is 2522121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212251) 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, 50499 + ... + 50522.

It is an arithmetic number, because the mean of its divisors is an integer number (235718).

2^1212252 is an apocalyptic number.

1212252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212252 is an abundant number, since it is smaller than the sum of its proper divisors (1616364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212252 is a wasteful number, since it uses less digits than its factorization.

1212252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101028 (or 101026 counting only the distinct ones).

The product of its digits is 80, while the sum is 15.

The square root of 1212252 is about 1101.0231605193. The cubic root of 1212252 is about 106.6262911426.

Adding to 1212252 its reverse (2522121), we get a palindrome (3734373).

The spelling of 1212252 in words is "one million, two hundred twelve thousand, two hundred fifty-two".