105251140312 has 32 divisors (see below), whose sum is σ = 198163641600. Its totient is φ = 52407823104.

The previous prime is 105251140277. The next prime is 105251140321. The reversal of 105251140312 is 213041152501.

It is a super-2 number, since 2×105251140312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2702514 + ... + 2741182.

It is an arithmetic number, because the mean of its divisors is an integer number (6192613800).

Almost surely, 2^105251140312 is an apocalyptic number.

It is an amenable number.

105251140312 is a deficient number, since it is larger than the sum of its proper divisors (92912501288).

105251140312 is a wasteful number, since it uses less digits than its factorization.

105251140312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40075 (or 40071 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 105251140312 its reverse (213041152501), we get a palindrome (318292292813).

The spelling of 105251140312 in words is "one hundred five billion, two hundred fifty-one million, one hundred forty thousand, three hundred twelve".