12021120123030 has 48 divisors (see below), whose sum is σ = 31305405053520. Its totient is φ = 3200453290944.

The previous prime is 12021120122993. The next prime is 12021120123071. The reversal of 12021120123030 is 3032102112021.

12021120123030 is a `hidden beast` number, since 1 + 20 + 211 + 201 + 230 + 3 + 0 = 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 = 12021120122994 and 12021120123012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107834437 + ... + 107945856.

It is an arithmetic number, because the mean of its divisors is an integer number (652195938615).

Almost surely, 2^{12021120123030} is an apocalyptic number.

12021120123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021120123030 is an abundant number, since it is smaller than the sum of its proper divisors (19284284930490).

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

12021120123030 is a wasteful number, since it uses less digits than its factorization.

12021120123030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215780925 (or 215780922 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12021120123030 its reverse (3032102112021), we get a palindrome (15053222235051).

The spelling of 12021120123030 in words is "twelve trillion, twenty-one billion, one hundred twenty million, one hundred twenty-three thousand, thirty".