105726680412 has 12 divisors (see below), whose sum is σ = 246695587656. Its totient is φ = 35242226800.

The previous prime is 105726680407. The next prime is 105726680453. The reversal of 105726680412 is 214086627501.

It is a happy number.

105726680412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×105726680412² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4405278339 + ... + 4405278362.

It is an arithmetic number, because the mean of its divisors is an integer number (20557965638).

Almost surely, 2^105726680412 is an apocalyptic number.

105726680412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105726680412 is an abundant number, since it is smaller than the sum of its proper divisors (140968907244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105726680412 is a wasteful number, since it uses less digits than its factorization.

105726680412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8810556708 (or 8810556706 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 105726680412 in words is "one hundred five billion, seven hundred twenty-six million, six hundred eighty thousand, four hundred twelve".