20121010000010 has 64 divisors (see below), whose sum is σ = 39955276477440. Its totient is φ = 7262104028160.

The previous prime is 20121009999977. The next prime is 20121010000033. The reversal of 20121010000010 is 1000001012102.

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 31 ways as a sum of consecutive naturals, for example, 17277365 + ... + 18405144.

It is an arithmetic number, because the mean of its divisors is an integer number (624301194960).

Almost surely, 2^{20121010000010} is an apocalyptic number.

20121010000010 is a deficient number, since it is larger than the sum of its proper divisors (19834266477430).

20121010000010 is a wasteful number, since it uses less digits than its factorization.

20121010000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35682671.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20121010000010 its reverse (1000001012102), we get a palindrome (21121011012112).

The spelling of 20121010000010 in words is "twenty trillion, one hundred twenty-one billion, ten million, ten", and thus it is an aban number.