2105246512 has 20 divisors (see below), whose sum is σ = 4293595480. Its totient is φ = 997221888.

The previous prime is 2105246501. The next prime is 2105246519. The reversal of 2105246512 is 2156425012.

It is a super-2 number, since 2×2105246512² = 8864125752576332288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2105246519) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3462273 + ... + 3462880.

It is an arithmetic number, because the mean of its divisors is an integer number (214679774).

Almost surely, 2^2105246512 is an apocalyptic number.

It is an amenable number.

2105246512 is an abundant number, since it is smaller than the sum of its proper divisors (2188348968).

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

2105246512 is a wasteful number, since it uses less digits than its factorization.

2105246512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6925180 (or 6925174 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2105246512 is about 45882.9653793213. The cubic root of 2105246512 is about 1281.6447184188.

The spelling of 2105246512 in words is "two billion, one hundred five million, two hundred forty-six thousand, five hundred twelve".