1215316206000 has 480 divisors, whose sum is σ = 4575297662208. Its totient is φ = 298887321600.

The previous prime is 1215316205993. The next prime is 1215316206001. The reversal of 1215316206000 is 6026135121.

1215316206000 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 31 + 6 + 20 + 600 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (1215316206001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 439216617 + ... + 439219383.

Almost surely, 2^{1215316206000} is an apocalyptic number.

1215316206000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1215316206000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2287648831104).

1215316206000 is an abundant number, since it is smaller than the sum of its proper divisors (3359981456208).

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

1215316206000 is a wasteful number, since it uses less digits than its factorization.

1215316206000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686 (or 4667 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 1215316206000 in words is "one trillion, two hundred fifteen billion, three hundred sixteen million, two hundred six thousand".