1215143024252 has 24 divisors (see below), whose sum is σ = 2147738794992. Its totient is φ = 601504400000.

The previous prime is 1215143024237. The next prime is 1215143024273. The reversal of 1215143024252 is 2524203415121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4826648 + ... + 5072160.

It is an arithmetic number, because the mean of its divisors is an integer number (89489116458).

Almost surely, 2^{1215143024252} is an apocalyptic number.

It is an amenable number.

1215143024252 is a deficient number, since it is larger than the sum of its proper divisors (932595770740).

1215143024252 is a wasteful number, since it uses less digits than its factorization.

1215143024252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257869 (or 257867 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 1215143024252 its reverse (2524203415121), we get a palindrome (3739346439373).

The spelling of 1215143024252 in words is "one trillion, two hundred fifteen billion, one hundred forty-three million, twenty-four thousand, two hundred fifty-two".