20110102200012 has 96 divisors (see below), whose sum is σ = 55665367672320. Its totient is φ = 5580487941120.

The previous prime is 20110102199981. The next prime is 20110102200017. The reversal of 20110102200012 is 21000220101102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20110102200017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121021312 + ... + 121187367.

It is an arithmetic number, because the mean of its divisors is an integer number (579847579920).

Almost surely, 2^{20110102200012} is an apocalyptic number.

20110102200012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20110102200012 is an abundant number, since it is smaller than the sum of its proper divisors (35555265472308).

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

20110102200012 is a wasteful number, since it uses less digits than its factorization.

20110102200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242208751 (or 242208749 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20110102200012 its reverse (21000220101102), we get a palindrome (41110322301114).

The spelling of 20110102200012 in words is "twenty trillion, one hundred ten billion, one hundred two million, two hundred thousand, twelve".