20120011122112 has 56 divisors (see below), whose sum is σ = 43986491617392. Its totient is φ = 9054910464000.

The previous prime is 20120011122103. The next prime is 20120011122137. The reversal of 20120011122112 is 21122111002102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141411873 + ... + 141554080.

Almost surely, 2^{20120011122112} is an apocalyptic number.

20120011122112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20120011122112 is an abundant number, since it is smaller than the sum of its proper divisors (23866480495280).

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

20120011122112 is a wasteful number, since it uses less digits than its factorization.

20120011122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282966077 (or 282966067 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20120011122112 its reverse (21122111002102), we get a palindrome (41242122124214).

The spelling of 20120011122112 in words is "twenty trillion, one hundred twenty billion, eleven million, one hundred twenty-two thousand, one hundred twelve".