20120011012 has 12 divisors (see below), whose sum is σ = 37063178320. Its totient is φ = 9530531496.

The previous prime is 20120010973. The next prime is 20120011061. The reversal of 20120011012 is 21011002102.

It is a self number, because there is not a number n which added to its sum of digits gives 20120011012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132368418 + ... + 132368569.

Almost surely, 2^20120011012 is an apocalyptic number.

It is an amenable number.

20120011012 is a deficient number, since it is larger than the sum of its proper divisors (16943167308).

20120011012 is a wasteful number, since it uses less digits than its factorization.

20120011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264737010 (or 264737008 counting only the distinct ones).

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

Adding to 20120011012 its reverse (21011002102), we get a palindrome (41131013114).

It can be divided in two parts, 201200 and 11012, that added together give a palindrome (212212).

The spelling of 20120011012 in words is "twenty billion, one hundred twenty million, eleven thousand, twelve".