12022012121020 has 24 divisors (see below), whose sum is σ = 27541336859568. Its totient is φ = 4371640771200.

The previous prime is 12022012121017. The next prime is 12022012121023. The reversal of 12022012121020 is 2012121022021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12022012121017) and next prime (12022012121023).

It is a junction number, because it is equal to n+sod(n) for n = 12022012120985 and 12022012121003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022012121023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27322754601 + ... + 27322755040.

It is an arithmetic number, because the mean of its divisors is an integer number (1147555702482).

Almost surely, 2^{12022012121020} is an apocalyptic number.

12022012121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022012121020 is an abundant number, since it is smaller than the sum of its proper divisors (15519324738548).

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

12022012121020 is a wasteful number, since it uses less digits than its factorization.

12022012121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54645509661 (or 54645509659 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12022012121020 its reverse (2012121022021), we get a palindrome (14034133143041).

The spelling of 12022012121020 in words is "twelve trillion, twenty-two billion, twelve million, one hundred twenty-one thousand, twenty".