105412126213 has 4 divisors (see below), whose sum is σ = 107198772480. Its totient is φ = 103625479948.

The previous prime is 105412126181. The next prime is 105412126249. The reversal of 105412126213 is 312621214501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105412126213 - 2⁵ = 105412126181 is a prime.

It is a super-2 number, since 2×105412126213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105412136213) 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, 893323045 + ... + 893323162.

It is an arithmetic number, because the mean of its divisors is an integer number (26799693120).

Almost surely, 2^105412126213 is an apocalyptic number.

It is an amenable number.

105412126213 is a deficient number, since it is larger than the sum of its proper divisors (1786646267).

105412126213 is an equidigital number, since it uses as much as digits as its factorization.

105412126213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786646266.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 105412126213 in words is "one hundred five billion, four hundred twelve million, one hundred twenty-six thousand, two hundred thirteen".