12016641542 has 16 divisors (see below), whose sum is σ = 19000753200. Its totient is φ = 5683960800.

The previous prime is 12016641541. The next prime is 12016641551. The reversal of 12016641542 is 24514661021.

12016641542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12016641499 and 12016641508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12016641541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198917 + ... + 252192.

It is an arithmetic number, because the mean of its divisors is an integer number (1187547075).

Almost surely, 2^12016641542 is an apocalyptic number.

12016641542 is a deficient number, since it is larger than the sum of its proper divisors (6984111658).

12016641542 is a wasteful number, since it uses less digits than its factorization.

12016641542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451831.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 12016641542 in words is "twelve billion, sixteen million, six hundred forty-one thousand, five hundred forty-two".