1215443131214 has 16 divisors (see below), whose sum is σ = 1964690634480. Its totient is φ = 560607324480.

The previous prime is 1215443131207. The next prime is 1215443131241. The reversal of 1215443131214 is 4121313445121.

It is a super-2 number, since 2×1215443131214² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15227279 + ... + 15306890.

It is an arithmetic number, because the mean of its divisors is an integer number (122793164655).

Almost surely, 2^{1215443131214} is an apocalyptic number.

1215443131214 is a deficient number, since it is larger than the sum of its proper divisors (749247503266).

1215443131214 is a wasteful number, since it uses less digits than its factorization.

1215443131214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30535715.

The product of its digits is 11520, while the sum is 32.

Adding to 1215443131214 its reverse (4121313445121), we get a palindrome (5336756576335).

The spelling of 1215443131214 in words is "one trillion, two hundred fifteen billion, four hundred forty-three million, one hundred thirty-one thousand, two hundred fourteen".