12122021021000 has 64 divisors (see below), whose sum is σ = 30944213688960. Its totient is φ = 4408007640000.

The previous prime is 12122021020979. The next prime is 12122021021017. The reversal of 12122021021000 is 12012022121.

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, 550989956 + ... + 551011955.

It is an arithmetic number, because the mean of its divisors is an integer number (483503338890).

Almost surely, 2^{12122021021000} is an apocalyptic number.

12122021021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122021021000 is an abundant number, since it is smaller than the sum of its proper divisors (18822192667960).

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

12122021021000 is a wasteful number, since it uses less digits than its factorization.

12122021021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102001943 (or 1102001929 counting only the distinct ones).

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

Adding to 12122021021000 its reverse (12012022121), we get a palindrome (12134033043121).

The spelling of 12122021021000 in words is "twelve trillion, one hundred twenty-two billion, twenty-one million, twenty-one thousand".