12061003519 has 4 divisors (see below), whose sum is σ = 12230876880. Its totient is φ = 11891130160.

The previous prime is 12061003501. The next prime is 12061003523. The reversal of 12061003519 is 91530016021.

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 12061003519 - 2¹¹ = 12061001471 is a prime.

It is a super-2 number, since 2×12061003519² (a number of 21 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 (12061003219) 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, 84936574 + ... + 84936715.

It is an arithmetic number, because the mean of its divisors is an integer number (3057719220).

Almost surely, 2^12061003519 is an apocalyptic number.

12061003519 is a deficient number, since it is larger than the sum of its proper divisors (169873361).

12061003519 is an equidigital number, since it uses as much as digits as its factorization.

12061003519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169873360.

The product of its (nonzero) digits is 1620, while the sum is 28.

The spelling of 12061003519 in words is "twelve billion, sixty-one million, three thousand, five hundred nineteen".