12012004124 has 18 divisors (see below), whose sum is σ = 21720985272. Its totient is φ = 5812258200.

The previous prime is 12012004091. The next prime is 12012004133. The reversal of 12012004124 is 42140021021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1558592 + ... + 1566279.

It is an arithmetic number, because the mean of its divisors is an integer number (1206721404).

Almost surely, 2^12012004124 is an apocalyptic number.

It is an amenable number.

12012004124 is a deficient number, since it is larger than the sum of its proper divisors (9708981148).

12012004124 is a wasteful number, since it uses less digits than its factorization.

12012004124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124937 (or 3124904 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12012004124 its reverse (42140021021), we get a palindrome (54152025145).

The spelling of 12012004124 in words is "twelve billion, twelve million, four thousand, one hundred twenty-four".