20120110012 has 24 divisors (see below), whose sum is σ = 35767040400. Its totient is φ = 9901858176.

The previous prime is 20120109973. The next prime is 20120110033. The reversal of 20120110012 is 21001102102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23337 + ... + 201952.

It is an arithmetic number, because the mean of its divisors is an integer number (1490293350).

Almost surely, 2^20120110012 is an apocalyptic number.

It is an amenable number.

20120110012 is a deficient number, since it is larger than the sum of its proper divisors (15646930388).

20120110012 is a wasteful number, since it uses less digits than its factorization.

20120110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225645 (or 225643 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20120110012 its reverse (21001102102), we get a palindrome (41121212114).

The spelling of 20120110012 in words is "twenty billion, one hundred twenty million, one hundred ten thousand, twelve".