1215006216 has 32 divisors (see below), whose sum is σ = 3050793600. Its totient is φ = 403231680.

The previous prime is 1215006203. The next prime is 1215006223. The reversal of 1215006216 is 6126005121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105040 + ... + 116031.

It is an arithmetic number, because the mean of its divisors is an integer number (95337300).

Almost surely, 2^1215006216 is an apocalyptic number.

It is an amenable number.

1215006216 is an abundant number, since it is smaller than the sum of its proper divisors (1835787384).

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

1215006216 is a wasteful number, since it uses less digits than its factorization.

1215006216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221309 (or 221305 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1215006216 is about 34856.9392804360. The cubic root of 1215006216 is about 1067.0698110681.

The spelling of 1215006216 in words is "one billion, two hundred fifteen million, six thousand, two hundred sixteen".