20124312201241 has 4 divisors (see below), whose sum is σ = 20504016205092. Its totient is φ = 19744608197392.

The previous prime is 20124312201233. The next prime is 20124312201251. The reversal of 20124312201241 is 14210221342102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6613512305625 + 13510799895616 = 2571675^2 + 3675704^2 .

It is a cyclic number.

It is not a de Polignac number, because 20124312201241 - 2³ = 20124312201233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20124312201251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189852001846 + ... + 189852001951.

It is an arithmetic number, because the mean of its divisors is an integer number (5126004051273).

Almost surely, 2^{20124312201241} is an apocalyptic number.

It is an amenable number.

20124312201241 is a deficient number, since it is larger than the sum of its proper divisors (379704003851).

20124312201241 is an equidigital number, since it uses as much as digits as its factorization.

20124312201241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379704003850.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 20124312201241 its reverse (14210221342102), we get a palindrome (34334533543343).

The spelling of 20124312201241 in words is "twenty trillion, one hundred twenty-four billion, three hundred twelve million, two hundred one thousand, two hundred forty-one".