1215200104340 has 48 divisors (see below), whose sum is σ = 2557484399232. Its totient is φ = 485020576896.

The previous prime is 1215200104333. The next prime is 1215200104369. The reversal of 1215200104340 is 434010025121.

It is a super-2 number, since 2×1215200104340² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79536782 + ... + 79552058.

It is an arithmetic number, because the mean of its divisors is an integer number (53280924984).

Almost surely, 2^{1215200104340} is an apocalyptic number.

1215200104340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1215200104340 is an abundant number, since it is smaller than the sum of its proper divisors (1342284294892).

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

1215200104340 is a wasteful number, since it uses less digits than its factorization.

1215200104340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23696 (or 23694 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 1215200104340 its reverse (434010025121), we get a palindrome (1649210129461).

The spelling of 1215200104340 in words is "one trillion, two hundred fifteen billion, two hundred million, one hundred four thousand, three hundred forty".