1213222005325 has 48 divisors (see below), whose sum is σ = 1682335180800. Its totient is φ = 860476953600.

The previous prime is 1213222005283. The next prime is 1213222005341. The reversal of 1213222005325 is 5235002223121.

It is not a de Polignac number, because 1213222005325 - 2¹¹ = 1213222003277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213222005293 and 1213222005302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1447156 + ... + 2126194.

It is an arithmetic number, because the mean of its divisors is an integer number (35048649600).

Almost surely, 2^{1213222005325} is an apocalyptic number.

It is an amenable number.

1213222005325 is a deficient number, since it is larger than the sum of its proper divisors (469113175475).

1213222005325 is a wasteful number, since it uses less digits than its factorization.

1213222005325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679222 (or 679217 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 1213222005325 its reverse (5235002223121), we get a palindrome (6448224228446).

The spelling of 1213222005325 in words is "one trillion, two hundred thirteen billion, two hundred twenty-two million, five thousand, three hundred twenty-five".