6861856237612 has 12 divisors (see below), whose sum is σ = 12032906013520. Its totient is φ = 3423883090896.

The previous prime is 6861856237597. The next prime is 6861856237633. The reversal of 6861856237612 is 2167326581686.

It is a happy number.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761254787 + ... + 1761258682.

Almost surely, 2^{6861856237612} is an apocalyptic number.

It is an amenable number.

6861856237612 is a deficient number, since it is larger than the sum of its proper divisors (5171049775908).

6861856237612 is a wasteful number, since it uses less digits than its factorization.

6861856237612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522513960 (or 3522513958 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 61.

The spelling of 6861856237612 in words is "six trillion, eight hundred sixty-one billion, eight hundred fifty-six million, two hundred thirty-seven thousand, six hundred twelve".