20120110111012 has 48 divisors (see below), whose sum is σ = 35349415718400. Its totient is φ = 10020378251520.

The previous prime is 20120110111007. The next prime is 20120110111043. The reversal of 20120110111012 is 21011101102102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20120110110983 and 20120110111001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2270119693 + ... + 2270128555.

It is an arithmetic number, because the mean of its divisors is an integer number (736446160800).

Almost surely, 2^{20120110111012} is an apocalyptic number.

It is an amenable number.

20120110111012 is a deficient number, since it is larger than the sum of its proper divisors (15229305607388).

20120110111012 is a wasteful number, since it uses less digits than its factorization.

20120110111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11476 (or 11474 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20120110111012 its reverse (21011101102102), we get a palindrome (41131211213114).

The spelling of 20120110111012 in words is "twenty trillion, one hundred twenty billion, one hundred ten million, one hundred eleven thousand, twelve".