105436421612 has 24 divisors (see below), whose sum is σ = 202669555200. Its totient is φ = 47772107856.

The previous prime is 105436421611. The next prime is 105436421647. The reversal of 105436421612 is 216124634501.

It is a super-2 number, since 2×105436421612² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105436421611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30157412 + ... + 30160907.

It is an arithmetic number, because the mean of its divisors is an integer number (8444564800).

Almost surely, 2^105436421612 is an apocalyptic number.

It is an amenable number.

105436421612 is a deficient number, since it is larger than the sum of its proper divisors (97233133588).

105436421612 is a wasteful number, since it uses less digits than its factorization.

105436421612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60318365 (or 60318363 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 105436421612 in words is "one hundred five billion, four hundred thirty-six million, four hundred twenty-one thousand, six hundred twelve".