12175222355453 has 4 divisors (see below), whose sum is σ = 12178965126108. Its totient is φ = 12171479584800.

The previous prime is 12175222355449. The next prime is 12175222355557. The reversal of 12175222355453 is 35455322257121.

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 11939879000569 + 235343354884 = 3455413^2 + 485122^2 .

It is a cyclic number.

It is not a de Polignac number, because 12175222355453 - 2² = 12175222355449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12175222355398 and 12175222355407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12175222354453) 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, 1871380448 + ... + 1871386953.

It is an arithmetic number, because the mean of its divisors is an integer number (3044741281527).

Almost surely, 2^{12175222355453} is an apocalyptic number.

It is an amenable number.

12175222355453 is a deficient number, since it is larger than the sum of its proper divisors (3742770655).

12175222355453 is an equidigital number, since it uses as much as digits as its factorization.

12175222355453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742770654.

The product of its digits is 2520000, while the sum is 47.

The spelling of 12175222355453 in words is "twelve trillion, one hundred seventy-five billion, two hundred twenty-two million, three hundred fifty-five thousand, four hundred fifty-three".