2105720275012 has 12 divisors (see below), whose sum is σ = 3685050721296. Its totient is φ = 1052848640360.

The previous prime is 2105720275003. The next prime is 2105720275013.

2105720275012 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2105720275012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2105720275013) 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, 2455414 + ... + 3200077.

It is an arithmetic number, because the mean of its divisors is an integer number (307087560108).

Almost surely, 2^{2105720275012} is an apocalyptic number.

It is an amenable number.

2105720275012 is a deficient number, since it is larger than the sum of its proper divisors (1579330446284).

2105720275012 is a wasteful number, since it uses less digits than its factorization.

2105720275012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748578 (or 5748576 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The spelling of 2105720275012 in words is "two trillion, one hundred five billion, seven hundred twenty million, two hundred seventy-five thousand, twelve".