1215024252132 has 48 divisors (see below), whose sum is σ = 2856194175744. Its totient is φ = 401997024000.

The previous prime is 1215024252077. The next prime is 1215024252149. The reversal of 1215024252132 is 2312524205121.

It is a self number, because there is not a number n which added to its sum of digits gives 1215024252132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594757 + ... + 1668467.

It is an arithmetic number, because the mean of its divisors is an integer number (59504045328).

Almost surely, 2^{1215024252132} is an apocalyptic number.

1215024252132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1215024252132 is an abundant number, since it is smaller than the sum of its proper divisors (1641169923612).

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

1215024252132 is a wasteful number, since it uses less digits than its factorization.

1215024252132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074420 (or 1074418 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1215024252132 its reverse (2312524205121), we get a palindrome (3527548457253).

The spelling of 1215024252132 in words is "one trillion, two hundred fifteen billion, twenty-four million, two hundred fifty-two thousand, one hundred thirty-two".