12122021021001 has 8 divisors (see below), whose sum is σ = 16162710778464. Its totient is φ = 8081339305440.

The previous prime is 12122021020979. The next prime is 12122021021017. The reversal of 12122021021001 is 10012012022121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12122021021001 - 2¹¹ = 12122021018953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122021021401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4898446 + ... + 6945416.

It is an arithmetic number, because the mean of its divisors is an integer number (2020338847308).

Almost surely, 2^{12122021021001} is an apocalyptic number.

It is an amenable number.

12122021021001 is a deficient number, since it is larger than the sum of its proper divisors (4040689757463).

12122021021001 is a wasteful number, since it uses less digits than its factorization.

12122021021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020951.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12122021021001 its reverse (10012012022121), we get a palindrome (22134033043122).

The spelling of 12122021021001 in words is "twelve trillion, one hundred twenty-two billion, twenty-one million, twenty-one thousand, one".