20144123412142 has 8 divisors (see below), whose sum is σ = 30580235541576. Its totient is φ = 9950711564952.

The previous prime is 20144123412121. The next prime is 20144123412191. The reversal of 20144123412142 is 24121432144102.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 60675070353 + ... + 60675070684.

It is an arithmetic number, because the mean of its divisors is an integer number (3822529442697).

Almost surely, 2^{20144123412142} is an apocalyptic number.

20144123412142 is a deficient number, since it is larger than the sum of its proper divisors (10436112129434).

20144123412142 is a wasteful number, since it uses less digits than its factorization.

20144123412142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121350141122.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 20144123412142 its reverse (24121432144102), we get a palindrome (44265555556244).

The spelling of 20144123412142 in words is "twenty trillion, one hundred forty-four billion, one hundred twenty-three million, four hundred twelve thousand, one hundred forty-two".