12023121110220 has 96 divisors (see below), whose sum is σ = 40805744394240. Its totient is φ = 2914696025280.

The previous prime is 12023121110207. The next prime is 12023121110249. The reversal of 12023121110220 is 2201112132021.

12023121110220 is a `hidden beast` number, since 1 + 2 + 0 + 231 + 211 + 1 + 0 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12023121110193 and 12023121110202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1012041292 + ... + 1012053171.

It is an arithmetic number, because the mean of its divisors is an integer number (425059837440).

Almost surely, 2^{12023121110220} is an apocalyptic number.

12023121110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12023121110220 is an abundant number, since it is smaller than the sum of its proper divisors (28782623284020).

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

12023121110220 is a wasteful number, since it uses less digits than its factorization.

12023121110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024094492 (or 2024094484 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12023121110220 its reverse (2201112132021), we get a palindrome (14224233242241).

The spelling of 12023121110220 in words is "twelve trillion, twenty-three billion, one hundred twenty-one million, one hundred ten thousand, two hundred twenty".