12142143404 has 24 divisors (see below), whose sum is σ = 21852230400. Its totient is φ = 5900068944.

The previous prime is 12142143397. The next prime is 12142143437. The reversal of 12142143404 is 40434124121.

It is a super-3 number, since 3×12142143404³ (a number of 31 digits) contains 333 as substring.

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, 143144 + ... + 211599.

It is an arithmetic number, because the mean of its divisors is an integer number (910509600).

Almost surely, 2^12142143404 is an apocalyptic number.

It is an amenable number.

12142143404 is a deficient number, since it is larger than the sum of its proper divisors (9710086996).

12142143404 is a wasteful number, since it uses less digits than its factorization.

12142143404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354989 (or 354987 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12142143404 its reverse (40434124121), we get a palindrome (52576267525).

The spelling of 12142143404 in words is "twelve billion, one hundred forty-two million, one hundred forty-three thousand, four hundred four".