12014554771550 has 24 divisors (see below), whose sum is σ = 22367517605256. Its totient is φ = 4801424977440.

The previous prime is 12014554771523. The next prime is 12014554771553. The reversal of 12014554771550 is 5517745541021.

It is a junction number, because it is equal to n+sod(n) for n = 12014554771495 and 12014554771504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12014554771553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109868084 + ... + 109977383.

It is an arithmetic number, because the mean of its divisors is an integer number (931979900219).

Almost surely, 2^{12014554771550} is an apocalyptic number.

12014554771550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12014554771550 is a deficient number, since it is larger than the sum of its proper divisors (10352962833706).

12014554771550 is a wasteful number, since it uses less digits than its factorization.

12014554771550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219846572 (or 219846567 counting only the distinct ones).

The product of its (nonzero) digits is 980000, while the sum is 47.

The spelling of 12014554771550 in words is "twelve trillion, fourteen billion, five hundred fifty-four million, seven hundred seventy-one thousand, five hundred fifty".