20110001000012 has 72 divisors (see below), whose sum is σ = 44225235382272. Its totient is φ = 7832145863520.

The previous prime is 20110000999973. The next prime is 20110001000059. The reversal of 20110001000012 is 21000010001102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7999043 + ... + 10208069.

Almost surely, 2^{20110001000012} is an apocalyptic number.

20110001000012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110001000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22112617691136).

20110001000012 is an abundant number, since it is smaller than the sum of its proper divisors (24115234382260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110001000012 is a wasteful number, since it uses less digits than its factorization.

20110001000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211747 (or 2211734 counting only the distinct ones).

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

Adding to 20110001000012 its reverse (21000010001102), we get a palindrome (41110011001114).

The spelling of 20110001000012 in words is "twenty trillion, one hundred ten billion, one million, twelve", and thus it is an aban number.