1225322569852 has 6 divisors (see below), whose sum is σ = 2144314497248. Its totient is φ = 612661284924.

The previous prime is 1225322569837. The next prime is 1225322569897. The reversal of 1225322569852 is 2589652235221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225322569852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153165321228 + ... + 153165321235.

Almost surely, 2^{1225322569852} is an apocalyptic number.

It is an amenable number.

1225322569852 is a deficient number, since it is larger than the sum of its proper divisors (918991927396).

1225322569852 is a wasteful number, since it uses less digits than its factorization.

1225322569852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306330642467 (or 306330642465 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 52.

The spelling of 1225322569852 in words is "one trillion, two hundred twenty-five billion, three hundred twenty-two million, five hundred sixty-nine thousand, eight hundred fifty-two".