1215982241200 has 60 divisors (see below), whose sum is σ = 2922548578848. Its totient is φ = 486201222400.

The previous prime is 1215982241171. The next prime is 1215982241249. The reversal of 1215982241200 is 21422895121.

It is a super-2 number, since 2×1215982241200² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1215982241200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419490 + ... + 1614910.

Almost surely, 2^{1215982241200} is an apocalyptic number.

1215982241200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1215982241200 is an abundant number, since it is smaller than the sum of its proper divisors (1706566337648).

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

1215982241200 is a wasteful number, since it uses less digits than its factorization.

1215982241200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197982 (or 1197971 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 1215982241200 in words is "one trillion, two hundred fifteen billion, nine hundred eighty-two million, two hundred forty-one thousand, two hundred".