12022121001020 has 48 divisors (see below), whose sum is σ = 28619462151840. Its totient is φ = 4205308720896.

The previous prime is 12022121000987. The next prime is 12022121001031. The reversal of 12022121001020 is 2010012122021.

It is a super-2 number, since 2×12022121001020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12022121000986 and 12022121001004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216808927 + ... + 1216818806.

It is an arithmetic number, because the mean of its divisors is an integer number (596238794830).

Almost surely, 2^{12022121001020} is an apocalyptic number.

12022121001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022121001020 is an abundant number, since it is smaller than the sum of its proper divisors (16597341150820).

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

12022121001020 is a wasteful number, since it uses less digits than its factorization.

12022121001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433627774 (or 2433627772 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12022121001020 its reverse (2010012122021), we get a palindrome (14032133123041).

The spelling of 12022121001020 in words is "twelve trillion, twenty-two billion, one hundred twenty-one million, one thousand, twenty".