100412201 has 2 divisors, whose sum is σ = 100412202. Its totient is φ = 100412200.

The previous prime is 100412197. The next prime is 100412209. The reversal of 100412201 is 102214001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99600400 + 811801 = 9980^2 + 901^2 .

It is a cyclic number.

It is not a de Polignac number, because 100412201 - 2² = 100412197 is a prime.

It is a super-2 number, since 2×100412201² = 20165220219328802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100412209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50206100 + 50206101.

It is an arithmetic number, because the mean of its divisors is an integer number (50206101).

Almost surely, 2^100412201 is an apocalyptic number.

It is an amenable number.

100412201 is a deficient number, since it is larger than the sum of its proper divisors (1).

100412201 is an equidigital number, since it uses as much as digits as its factorization.

100412201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 100412201 is about 10020.5888549526. The cubic root of 100412201 is about 464.7957649367.

Adding to 100412201 its reverse (102214001), we get a palindrome (202626202).

The spelling of 100412201 in words is "one hundred million, four hundred twelve thousand, two hundred one".