12020212120104 has 48 divisors (see below), whose sum is σ = 32564131722720. Its totient is φ = 4005581611680.

The previous prime is 12020212120069. The next prime is 12020212120109. The reversal of 12020212120104 is 40102121202021.

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

It is not an unprimeable number, because it can be changed into a prime (12020212120109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23827012 + ... + 24326259.

It is an arithmetic number, because the mean of its divisors is an integer number (678419410890).

Almost surely, 2^{12020212120104} is an apocalyptic number.

It is an amenable number.

12020212120104 is an abundant number, since it is smaller than the sum of its proper divisors (20543919602616).

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

12020212120104 is a wasteful number, since it uses less digits than its factorization.

12020212120104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48156750 (or 48156743 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12020212120104 its reverse (40102121202021), we get a palindrome (52122333322125).

The spelling of 12020212120104 in words is "twelve trillion, twenty billion, two hundred twelve million, one hundred twenty thousand, one hundred four".