105434121232 has 20 divisors (see below), whose sum is σ = 222849392976. Its totient is φ = 47924600480.

The previous prime is 105434121209. The next prime is 105434121239. The reversal of 105434121232 is 232121434501.

It is a super-2 number, since 2×105434121232² (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 105434121232.

It is not an unprimeable number, because it can be changed into a prime (105434121239) 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, 299528578 + ... + 299528929.

Almost surely, 2^105434121232 is an apocalyptic number.

It is an amenable number.

105434121232 is an abundant number, since it is smaller than the sum of its proper divisors (117415271744).

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

105434121232 is a wasteful number, since it uses less digits than its factorization.

105434121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599057526 (or 599057520 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 105434121232 its reverse (232121434501), we get a palindrome (337555555733).

The spelling of 105434121232 in words is "one hundred five billion, four hundred thirty-four million, one hundred twenty-one thousand, two hundred thirty-two".