1215035215232 has 32 divisors (see below), whose sum is σ = 2420827689600. Its totient is φ = 607454932480.

The previous prime is 1215035215231. The next prime is 1215035215267. The reversal of 1215035215232 is 2325125305121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215035215231) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 768494 + ... + 1738002.

It is an arithmetic number, because the mean of its divisors is an integer number (75650865300).

Almost surely, 2^{1215035215232} is an apocalyptic number.

It is an amenable number.

1215035215232 is a deficient number, since it is larger than the sum of its proper divisors (1205792474368).

1215035215232 is an frugal number, since it uses more digits than its factorization.

1215035215232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979314 (or 979302 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 1215035215232 in words is "one trillion, two hundred fifteen billion, thirty-five million, two hundred fifteen thousand, two hundred thirty-two".