1212411452 has 12 divisors (see below), whose sum is σ = 2424822960. Its totient is φ = 519604896.

The previous prime is 1212411437. The next prime is 1212411463. The reversal of 1212411452 is 2541142121.

1212411452 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21650177 + ... + 21650232.

It is an arithmetic number, because the mean of its divisors is an integer number (202068580).

Almost surely, 2^1212411452 is an apocalyptic number.

It is an amenable number.

1212411452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1212411452 is a wasteful number, since it uses less digits than its factorization.

1212411452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43300420 (or 43300418 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 1212411452 is about 34819.6991945651. The cubic root of 1212411452 is about 1066.3096592141.

Adding to 1212411452 its reverse (2541142121), we get a palindrome (3753553573).

The spelling of 1212411452 in words is "one billion, two hundred twelve million, four hundred eleven thousand, four hundred fifty-two".