1222522112145 has 8 divisors (see below), whose sum is σ = 1956035379456. Its totient is φ = 652011793136.

The previous prime is 1222522112111. The next prime is 1222522112173. The reversal of 1222522112145 is 5412112252221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222522112145 - 2¹⁹ = 1222521587857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40750737057 + ... + 40750737086.

It is an arithmetic number, because the mean of its divisors is an integer number (244504422432).

Almost surely, 2^{1222522112145} is an apocalyptic number.

1222522112145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1222522112145 is a deficient number, since it is larger than the sum of its proper divisors (733513267311).

1222522112145 is an equidigital number, since it uses as much as digits as its factorization.

1222522112145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81501474151.

The product of its digits is 6400, while the sum is 30.

Adding to 1222522112145 its reverse (5412112252221), we get a palindrome (6634634364366).

The spelling of 1222522112145 in words is "one trillion, two hundred twenty-two billion, five hundred twenty-two million, one hundred twelve thousand, one hundred forty-five".