105112043020 has 12 divisors (see below), whose sum is σ = 220735290384. Its totient is φ = 42044817200.

The previous prime is 105112042993. The next prime is 105112043033. The reversal of 105112043020 is 20340211501.

It is a super-2 number, since 2×105112043020² (a number of 23 digits) contains 22 as substring.

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, 2627801056 + ... + 2627801095.

It is an arithmetic number, because the mean of its divisors is an integer number (18394607532).

Almost surely, 2^105112043020 is an apocalyptic number.

105112043020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105112043020 is an abundant number, since it is smaller than the sum of its proper divisors (115623247364).

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

105112043020 is a wasteful number, since it uses less digits than its factorization.

105112043020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255602160 (or 5255602158 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 105112043020 its reverse (20340211501), we get a palindrome (125452254521).

The spelling of 105112043020 in words is "one hundred five billion, one hundred twelve million, forty-three thousand, twenty".