12213211220301 has 32 divisors (see below), whose sum is σ = 20078175414528. Its totient is φ = 6430567541760.

The previous prime is 12213211220281. The next prime is 12213211220347. The reversal of 12213211220301 is 10302211231221.

It is not a de Polignac number, because 12213211220301 - 2⁹ = 12213211219789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213211220101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40006860 + ... + 40310981.

It is an arithmetic number, because the mean of its divisors is an integer number (627442981704).

Almost surely, 2^{12213211220301} is an apocalyptic number.

It is an amenable number.

12213211220301 is a deficient number, since it is larger than the sum of its proper divisors (7864964194227).

12213211220301 is a wasteful number, since it uses less digits than its factorization.

12213211220301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80318421.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12213211220301 its reverse (10302211231221), we get a palindrome (22515422451522).

The spelling of 12213211220301 in words is "twelve trillion, two hundred thirteen billion, two hundred eleven million, two hundred twenty thousand, three hundred one".