100412300281 has 2 divisors, whose sum is σ = 100412300282. Its totient is φ = 100412300280.

The previous prime is 100412300231. The next prime is 100412300311. The reversal of 100412300281 is 182003214001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93599283600 + 6813016681 = 305940^2 + 82541^2 .

It is a cyclic number.

It is not a de Polignac number, because 100412300281 - 2⁹ = 100412299769 is a prime.

It is a super-2 number, since 2×100412300281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100412300231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50206150140 + 50206150141.

It is an arithmetic number, because the mean of its divisors is an integer number (50206150141).

Almost surely, 2^100412300281 is an apocalyptic number.

It is an amenable number.

100412300281 is a deficient number, since it is larger than the sum of its proper divisors (1).

100412300281 is an equidigital number, since it uses as much as digits as its factorization.

100412300281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 100412300281 its reverse (182003214001), we get a palindrome (282415514282).

The spelling of 100412300281 in words is "one hundred billion, four hundred twelve million, three hundred thousand, two hundred eighty-one".