1215123350113 has 8 divisors (see below), whose sum is σ = 1258110377216. Its totient is φ = 1172373166800.

The previous prime is 1215123350041. The next prime is 1215123350117. The reversal of 1215123350113 is 3110533215121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1215123350113 - 2²⁹ = 1214586479201 is a prime.

It is a super-2 number, since 2×1215123350113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1215123350117) by changing a digit.

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, 59200506 + ... + 59221027.

It is an arithmetic number, because the mean of its divisors is an integer number (157263797152).

Almost surely, 2^{1215123350113} is an apocalyptic number.

It is an amenable number.

1215123350113 is a deficient number, since it is larger than the sum of its proper divisors (42987027103).

1215123350113 is a wasteful number, since it uses less digits than its factorization.

1215123350113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118421895.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 1215123350113 its reverse (3110533215121), we get a palindrome (4325656565234).

The spelling of 1215123350113 in words is "one trillion, two hundred fifteen billion, one hundred twenty-three million, three hundred fifty thousand, one hundred thirteen".