12142420004 has 24 divisors (see below), whose sum is σ = 24964137408. Its totient is φ = 5094721440.

The previous prime is 12142419943. The next prime is 12142420007. The reversal of 12142420004 is 40002424121.

It is not an unprimeable number, because it can be changed into a prime (12142420007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10613432 + ... + 10614575.

It is an arithmetic number, because the mean of its divisors is an integer number (1040172392).

Almost surely, 2^12142420004 is an apocalyptic number.

It is an amenable number.

12142420004 is an abundant number, since it is smaller than the sum of its proper divisors (12821717404).

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

12142420004 is a wasteful number, since it uses less digits than its factorization.

12142420004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21228035 (or 21228033 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12142420004 its reverse (40002424121), we get a palindrome (52144844125).

The spelling of 12142420004 in words is "twelve billion, one hundred forty-two million, four hundred twenty thousand, four".