1215937382140 has 24 divisors (see below), whose sum is σ = 2749889157120. Its totient is φ = 448961494848.

The previous prime is 1215937382131. The next prime is 1215937382147. The reversal of 1215937382140 is 412837395121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215937382147) 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 7 ways as a sum of consecutive naturals, for example, 2338340860 + ... + 2338341379.

It is an arithmetic number, because the mean of its divisors is an integer number (114578714880).

Almost surely, 2^{1215937382140} is an apocalyptic number.

1215937382140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1215937382140 is an abundant number, since it is smaller than the sum of its proper divisors (1533951774980).

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

1215937382140 is a wasteful number, since it uses less digits than its factorization.

1215937382140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676682261 (or 4676682259 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 1215937382140 in words is "one trillion, two hundred fifteen billion, nine hundred thirty-seven million, three hundred eighty-two thousand, one hundred forty".