12201005251443 has 16 divisors (see below), whose sum is σ = 16543864920960. Its totient is φ = 7996076691456.

The previous prime is 12201005251429. The next prime is 12201005251481. The reversal of 12201005251443 is 34415250010221.

It is not a de Polignac number, because 12201005251443 - 2⁸ = 12201005251187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12201005251443.

It is not an unprimeable number, because it can be changed into a prime (12201005251423) 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 15 ways as a sum of consecutive naturals, for example, 37264896 + ... + 37590882.

It is an arithmetic number, because the mean of its divisors is an integer number (1033991557560).

Almost surely, 2^{12201005251443} is an apocalyptic number.

12201005251443 is a deficient number, since it is larger than the sum of its proper divisors (4342859669517).

12201005251443 is a wasteful number, since it uses less digits than its factorization.

12201005251443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537506.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 12201005251443 its reverse (34415250010221), we get a palindrome (46616255261664).

The spelling of 12201005251443 in words is "twelve trillion, two hundred one billion, five million, two hundred fifty-one thousand, four hundred forty-three".