201442143124 has 12 divisors (see below), whose sum is σ = 354295228000. Its totient is φ = 100214935128.

The previous prime is 201442143107. The next prime is 201442143137. The reversal of 201442143124 is 421341244102.

It is a junction number, because it is equal to n+sod(n) for n = 201442143092 and 201442143101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126533214 + ... + 126534805.

Almost surely, 2^201442143124 is an apocalyptic number.

It is an amenable number.

201442143124 is a deficient number, since it is larger than the sum of its proper divisors (152853084876).

201442143124 is a wasteful number, since it uses less digits than its factorization.

201442143124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253068222 (or 253068220 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 201442143124 its reverse (421341244102), we get a palindrome (622783387226).

The spelling of 201442143124 in words is "two hundred one billion, four hundred forty-two million, one hundred forty-three thousand, one hundred twenty-four".