12012540376519 has 4 divisors (see below), whose sum is σ = 12018053247160. Its totient is φ = 12007027505880.

The previous prime is 12012540376481. The next prime is 12012540376547. The reversal of 12012540376519 is 91567304521021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12012540376519 - 2⁷ = 12012540376391 is a prime.

It is a super-2 number, since 2×12012540376519² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012540376549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2756432052 + ... + 2756436409.

It is an arithmetic number, because the mean of its divisors is an integer number (3004513311790).

Almost surely, 2^{12012540376519} is an apocalyptic number.

12012540376519 is a deficient number, since it is larger than the sum of its proper divisors (5512870641).

12012540376519 is an equidigital number, since it uses as much as digits as its factorization.

12012540376519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5512870640.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 12012540376519 in words is "twelve trillion, twelve billion, five hundred forty million, three hundred seventy-six thousand, five hundred nineteen".