12101350540503 has 16 divisors (see below), whose sum is σ = 18536698515456. Its totient is φ = 6878852960160.

The previous prime is 12101350540501. The next prime is 12101350540511. The reversal of 12101350540503 is 30504505310121.

It is not a de Polignac number, because 12101350540503 - 2¹ = 12101350540501 is a prime.

It is a super-3 number, since 3×12101350540503³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101350540501) 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 15 ways as a sum of consecutive naturals, for example, 1508516376 + ... + 1508524397.

It is an arithmetic number, because the mean of its divisors is an integer number (1158543657216).

Almost surely, 2^{12101350540503} is an apocalyptic number.

12101350540503 is a deficient number, since it is larger than the sum of its proper divisors (6435347974953).

12101350540503 is a wasteful number, since it uses less digits than its factorization.

12101350540503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017040974.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 12101350540503 its reverse (30504505310121), we get a palindrome (42605855850624).

The spelling of 12101350540503 in words is "twelve trillion, one hundred one billion, three hundred fifty million, five hundred forty thousand, five hundred three".