100412041265 has 4 divisors (see below), whose sum is σ = 120494449524. Its totient is φ = 80329633008.

The previous prime is 100412041253. The next prime is 100412041267. The reversal of 100412041265 is 562140214001.

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 71740408336 + 28671632929 = 267844^2 + 169327^2 .

It is a cyclic number.

It is not a de Polignac number, because 100412041265 - 2⁶ = 100412041201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100412041267) 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, 10041204122 + ... + 10041204131.

It is an arithmetic number, because the mean of its divisors is an integer number (30123612381).

Almost surely, 2^100412041265 is an apocalyptic number.

It is an amenable number.

100412041265 is a deficient number, since it is larger than the sum of its proper divisors (20082408259).

100412041265 is an equidigital number, since it uses as much as digits as its factorization.

100412041265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20082408258.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 100412041265 its reverse (562140214001), we get a palindrome (662552255266).

The spelling of 100412041265 in words is "one hundred billion, four hundred twelve million, forty-one thousand, two hundred sixty-five".