20144212141 has 2 divisors, whose sum is σ = 20144212142. Its totient is φ = 20144212140.

The previous prime is 20144212139. The next prime is 20144212147. The reversal of 20144212141 is 14121244102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20006970916 + 137241225 = 141446^2 + 11715^2 .

It is a cyclic number.

It is not a de Polignac number, because 20144212141 - 2¹ = 20144212139 is a prime.

It is a super-2 number, since 2×20144212141² (a number of 21 digits) contains 22 as substring.

Together with 20144212139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20144212147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072106070 + 10072106071.

It is an arithmetic number, because the mean of its divisors is an integer number (10072106071).

Almost surely, 2^20144212141 is an apocalyptic number.

It is an amenable number.

20144212141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144212141 is an equidigital number, since it uses as much as digits as its factorization.

20144212141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 20144212141 its reverse (14121244102), we get a palindrome (34265456243).

The spelling of 20144212141 in words is "twenty billion, one hundred forty-four million, two hundred twelve thousand, one hundred forty-one".