12122301211021 has 8 divisors (see below), whose sum is σ = 12321137713184. Its totient is φ = 11923468265520.

The previous prime is 12122301211003. The next prime is 12122301211037. The reversal of 12122301211021 is 12011210322121.

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

It is a cyclic number.

It is not a de Polignac number, because 12122301211021 - 2²³ = 12122292822413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12122301211021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122301215021) 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, 6480226 + ... + 8138668.

It is an arithmetic number, because the mean of its divisors is an integer number (1540142214148).

Almost surely, 2^{12122301211021} is an apocalyptic number.

It is an amenable number.

12122301211021 is a deficient number, since it is larger than the sum of its proper divisors (198836502163).

12122301211021 is a wasteful number, since it uses less digits than its factorization.

12122301211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778331.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12122301211021 its reverse (12011210322121), we get a palindrome (24133511533142).

The spelling of 12122301211021 in words is "twelve trillion, one hundred twenty-two billion, three hundred one million, two hundred eleven thousand, twenty-one".