20123000020112 has 80 divisors (see below), whose sum is σ = 45389232617472. Its totient is φ = 8540984309760.

The previous prime is 20123000019937. The next prime is 20123000020169. The reversal of 20123000020112 is 21102000032102.

It is a happy number.

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, 26098763 + ... + 26858730.

Almost surely, 2^{20123000020112} is an apocalyptic number.

20123000020112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20123000020112 is an abundant number, since it is smaller than the sum of its proper divisors (25266232597360).

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

20123000020112 is a wasteful number, since it uses less digits than its factorization.

20123000020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52957656 (or 52957650 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20123000020112 its reverse (21102000032102), we get a palindrome (41225000052214).

The spelling of 20123000020112 in words is "twenty trillion, one hundred twenty-three billion, twenty thousand, one hundred twelve".