1706681399212 has 48 divisors (see below), whose sum is σ = 3059828029440. Its totient is φ = 832560941952.

The previous prime is 1706681399201. The next prime is 1706681399221. The reversal of 1706681399212 is 2129931866071.

It is a happy number.

It is a super-2 number, since 2×1706681399212² (a number of 25 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 260042643 + ... + 260049205.

It is an arithmetic number, because the mean of its divisors is an integer number (63746417280).

Almost surely, 2^{1706681399212} is an apocalyptic number.

It is an amenable number.

1706681399212 is a deficient number, since it is larger than the sum of its proper divisors (1353146630228).

1706681399212 is a wasteful number, since it uses less digits than its factorization.

1706681399212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10750 (or 10748 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 1706681399212 in words is "one trillion, seven hundred six billion, six hundred eighty-one million, three hundred ninety-nine thousand, two hundred twelve".