12000542550042 has 16 divisors (see below), whose sum is σ = 24039859073760. Its totient is φ = 3993718521072.

The previous prime is 12000542549923. The next prime is 12000542550053. The reversal of 12000542550042 is 24005524500021.

It is a junction number, because it is equal to n+sod(n) for n = 12000542549991 and 12000542550009.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1615578213 + ... + 1615585640.

It is an arithmetic number, because the mean of its divisors is an integer number (1502491192110).

Almost surely, 2^{12000542550042} is an apocalyptic number.

12000542550042 is an abundant number, since it is smaller than the sum of its proper divisors (12039316523718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12000542550042 is a wasteful number, since it uses less digits than its factorization.

12000542550042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231164477.

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 12000542550042 in words is "twelve trillion, five hundred forty-two million, five hundred fifty thousand, forty-two".