12301222021 has 8 divisors (see below), whose sum is σ = 13424868288. Its totient is φ = 11178468000.

The previous prime is 12301222007. The next prime is 12301222027. The reversal of 12301222021 is 12022210321.

It is a happy number.

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 12301222021 - 2³¹ = 10153738373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12301221986 and 12301222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301222027) 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, 194065 + ... + 249526.

It is an arithmetic number, because the mean of its divisors is an integer number (1678108536).

Almost surely, 2^12301222021 is an apocalyptic number.

12301222021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12301222021 is a deficient number, since it is larger than the sum of its proper divisors (1123646267).

12301222021 is a wasteful number, since it uses less digits than its factorization.

12301222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446123.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12301222021 its reverse (12022210321), we get a palindrome (24323432342).

The spelling of 12301222021 in words is "twelve billion, three hundred one million, two hundred twenty-two thousand, twenty-one".