12237844873221 has 32 divisors (see below), whose sum is σ = 20151511309440. Its totient is φ = 7276934620800.

The previous prime is 12237844873207. The next prime is 12237844873249.

12237844873221 is a `hidden beast` number, since 1 + 2 + 2 + 37 + 84 + 487 + 32 + 21 = 666.

12237844873221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12237844873221 - 2¹⁴ = 12237844856837 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12237844873921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388709400 + ... + 388740881.

It is an arithmetic number, because the mean of its divisors is an integer number (629734728420).

Almost surely, 2^{12237844873221} is an apocalyptic number.

12237844873221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12237844873221 is a deficient number, since it is larger than the sum of its proper divisors (7913666436219).

12237844873221 is a wasteful number, since it uses less digits than its factorization.

12237844873221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777450354 (or 777450348 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The spelling of 12237844873221 in words is "twelve trillion, two hundred thirty-seven billion, eight hundred forty-four million, eight hundred seventy-three thousand, two hundred twenty-one".