1215552122414 has 32 divisors (see below), whose sum is σ = 2153862144000. Its totient is φ = 503725782240.

The previous prime is 1215552122399. The next prime is 1215552122423. The reversal of 1215552122414 is 4142212555121.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12012014 + ... + 12112785.

It is an arithmetic number, because the mean of its divisors is an integer number (67308192000).

Almost surely, 2^{1215552122414} is an apocalyptic number.

1215552122414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1215552122414 is a deficient number, since it is larger than the sum of its proper divisors (938310021586).

1215552122414 is a wasteful number, since it uses less digits than its factorization.

1215552122414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24124928.

The product of its digits is 32000, while the sum is 35.

Adding to 1215552122414 its reverse (4142212555121), we get a palindrome (5357764677535).

The spelling of 1215552122414 in words is "one trillion, two hundred fifteen billion, five hundred fifty-two million, one hundred twenty-two thousand, four hundred fourteen".