10212731986 has 8 divisors (see below), whose sum is σ = 15323496624. Its totient is φ = 5104899780.

The previous prime is 10212731983. The next prime is 10212731987. The reversal of 10212731986 is 68913721201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10212731981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724380 + ... + 738343.

It is an arithmetic number, because the mean of its divisors is an integer number (1915437078).

Almost surely, 2^10212731986 is an apocalyptic number.

10212731986 is a deficient number, since it is larger than the sum of its proper divisors (5110764638).

10212731986 is a wasteful number, since it uses less digits than its factorization.

10212731986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466216.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 10212731986 in words is "ten billion, two hundred twelve million, seven hundred thirty-one thousand, nine hundred eighty-six".