2005706507212 has 24 divisors (see below), whose sum is σ = 3576327778800. Its totient is φ = 983899790016.

The previous prime is 2005706507191. The next prime is 2005706507249. The reversal of 2005706507212 is 2127056075002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7299739 + ... + 7569517.

It is an arithmetic number, because the mean of its divisors is an integer number (149013657450).

Almost surely, 2^{2005706507212} is an apocalyptic number.

It is an amenable number.

2005706507212 is a deficient number, since it is larger than the sum of its proper divisors (1570621271588).

2005706507212 is a wasteful number, since it uses less digits than its factorization.

2005706507212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304905 (or 304903 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 2005706507212 in words is "two trillion, five billion, seven hundred six million, five hundred seven thousand, two hundred twelve".