12443222403202 has 4 divisors (see below), whose sum is σ = 18664833604806. Its totient is φ = 6221611201600.

The previous prime is 12443222403167. The next prime is 12443222403211. The reversal of 12443222403202 is 20230422234421.

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 only one way, i.e., 9557440263121 + 2885782140081 = 3091511^2 + 1698759^2 .

It is a super-3 number, since 3×12443222403202³ (a number of 40 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110805600799 + ... + 3110805600802.

Almost surely, 2^{12443222403202} is an apocalyptic number.

12443222403202 is a deficient number, since it is larger than the sum of its proper divisors (6221611201604).

12443222403202 is an equidigital number, since it uses as much as digits as its factorization.

12443222403202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6221611201603.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 12443222403202 its reverse (20230422234421), we get a palindrome (32673644637623).

The spelling of 12443222403202 in words is "twelve trillion, four hundred forty-three billion, two hundred twenty-two million, four hundred three thousand, two hundred two".