12001122302020 has 24 divisors (see below), whose sum is σ = 25371500175000. Its totient is φ = 4768231141632.

The previous prime is 12001122301981. The next prime is 12001122302047. The reversal of 12001122302020 is 2020322110021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 71020118016 + 11930102184004 = 266496^2 + 3453998^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12001122301985 and 12001122302003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2013608145 + ... + 2013614104.

It is an arithmetic number, because the mean of its divisors is an integer number (1057145840625).

Almost surely, 2^{12001122302020} is an apocalyptic number.

12001122302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001122302020 is an abundant number, since it is smaller than the sum of its proper divisors (13370377872980).

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

12001122302020 is a wasteful number, since it uses less digits than its factorization.

12001122302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027222407 (or 4027222405 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12001122302020 its reverse (2020322110021), we get a palindrome (14021444412041).

The spelling of 12001122302020 in words is "twelve trillion, one billion, one hundred twenty-two million, three hundred two thousand, twenty".