101720000012 has 6 divisors (see below), whose sum is σ = 178010000028. Its totient is φ = 50860000004.

The previous prime is 101719999967. The next prime is 101720000017. The reversal of 101720000012 is 210000027101.

It is not an unprimeable number, because it can be changed into a prime (101720000017) by changing a digit.

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 as a sum of consecutive naturals, namely, 12714999998 + ... + 12715000005.

It is an arithmetic number, because the mean of its divisors is an integer number (29668333338).

Almost surely, 2^101720000012 is an apocalyptic number.

It is an amenable number.

101720000012 is a deficient number, since it is larger than the sum of its proper divisors (76290000016).

101720000012 is a wasteful number, since it uses less digits than its factorization.

101720000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25430000007 (or 25430000005 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 14.

Adding to 101720000012 its reverse (210000027101), we get a palindrome (311720027113).

The spelling of 101720000012 in words is "one hundred one billion, seven hundred twenty million, twelve", and thus it is an aban number.