12042061800 has 48 divisors (see below), whose sum is σ = 37330393440. Its totient is φ = 3211216320.

The previous prime is 12042061783. The next prime is 12042061831. The reversal of 12042061800 is 816024021.

It is a super-2 number, since 2×12042061800² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10034452 + ... + 10035651.

It is an arithmetic number, because the mean of its divisors is an integer number (777716530).

Almost surely, 2^12042061800 is an apocalyptic number.

12042061800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12042061800 is an abundant number, since it is smaller than the sum of its proper divisors (25288331640).

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

12042061800 is a wasteful number, since it uses less digits than its factorization.

12042061800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20070122 (or 20070113 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 12042061800 its reverse (816024021), we get a palindrome (12858085821).

The spelling of 12042061800 in words is "twelve billion, forty-two million, sixty-one thousand, eight hundred".