2001412024181 has 2 divisors, whose sum is σ = 2001412024182. Its totient is φ = 2001412024180.

The previous prime is 2001412024177. The next prime is 2001412024189. The reversal of 2001412024181 is 1814202141002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1821352680625 + 180059343556 = 1349575^2 + 424334^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001412024181 - 2² = 2001412024177 is a prime.

It is a super-2 number, since 2×2001412024181² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2001412024181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001412024189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000706012090 + 1000706012091.

It is an arithmetic number, because the mean of its divisors is an integer number (1000706012091).

Almost surely, 2^{2001412024181} is an apocalyptic number.

It is an amenable number.

2001412024181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001412024181 is an equidigital number, since it uses as much as digits as its factorization.

2001412024181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 2001412024181 its reverse (1814202141002), we get a palindrome (3815614165183).

The spelling of 2001412024181 in words is "two trillion, one billion, four hundred twelve million, twenty-four thousand, one hundred eighty-one".