12022012121 has 8 divisors (see below), whose sum is σ = 13747145280. Its totient is φ = 10298804688.

The previous prime is 12022012099. The next prime is 12022012127. The reversal of 12022012121 is 12121022021.

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 12022012121 - 2¹⁰ = 12022011097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12022012096 and 12022012105.

It is not an unprimeable number, because it can be changed into a prime (12022012127) 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, 468026 + ... + 493043.

It is an arithmetic number, because the mean of its divisors is an integer number (1718393160).

Almost surely, 2^12022012121 is an apocalyptic number.

It is an amenable number.

12022012121 is a deficient number, since it is larger than the sum of its proper divisors (1725133159).

12022012121 is an equidigital number, since it uses as much as digits as its factorization.

12022012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962863.

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

Adding to 12022012121 its reverse (12121022021), we get a palindrome (24143034142).

The spelling of 12022012121 in words is "twelve billion, twenty-two million, twelve thousand, one hundred twenty-one".