100412124431 has 4 divisors (see below), whose sum is σ = 100973086200. Its totient is φ = 99851162664.

The previous prime is 100412124419. The next prime is 100412124433. The reversal of 100412124431 is 134421214001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134421214001 = 173 ⋅777001237.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100412124431 is a prime.

It is a super-2 number, since 2×100412124431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100412124397 and 100412124406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100412124433) 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 in 3 ways as a sum of consecutive naturals, for example, 280480616 + ... + 280480973.

It is an arithmetic number, because the mean of its divisors is an integer number (25243271550).

Almost surely, 2^100412124431 is an apocalyptic number.

100412124431 is a deficient number, since it is larger than the sum of its proper divisors (560961769).

100412124431 is an equidigital number, since it uses as much as digits as its factorization.

100412124431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560961768.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 100412124431 its reverse (134421214001), we get a palindrome (234833338432).

The spelling of 100412124431 in words is "one hundred billion, four hundred twelve million, one hundred twenty-four thousand, four hundred thirty-one".