12201330000421 has 4 divisors (see below), whose sum is σ = 12211388806252. Its totient is φ = 12191271194592.

The previous prime is 12201330000413. The next prime is 12201330000427. The reversal of 12201330000421 is 12400003310221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 516630312900 + 11684699687521 = 718770^2 + 3418289^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201330000421 - 2³ = 12201330000413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201330000427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5029401096 + ... + 5029403521.

It is an arithmetic number, because the mean of its divisors is an integer number (3052847201563).

Almost surely, 2^{12201330000421} is an apocalyptic number.

It is an amenable number.

12201330000421 is a deficient number, since it is larger than the sum of its proper divisors (10058805831).

12201330000421 is a wasteful number, since it uses less digits than its factorization.

12201330000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10058805830.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12201330000421 its reverse (12400003310221), we get a palindrome (24601333310642).

The spelling of 12201330000421 in words is "twelve trillion, two hundred one billion, three hundred thirty million, four hundred twenty-one", and thus it is an aban number.