1325221112 has 16 divisors (see below), whose sum is σ = 2485360800. Its totient is φ = 662458240.

The previous prime is 1325221109. The next prime is 1325221123. The reversal of 1325221112 is 2111225231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23537 + ... + 56607.

It is an arithmetic number, because the mean of its divisors is an integer number (155335050).

Almost surely, 2^1325221112 is an apocalyptic number.

It is an amenable number.

1325221112 is a deficient number, since it is larger than the sum of its proper divisors (1160139688).

1325221112 is a wasteful number, since it uses less digits than its factorization.

1325221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38086 (or 38082 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 1325221112 is about 36403.5865266048. The cubic root of 1325221112 is about 1098.4057102603.

Adding to 1325221112 its reverse (2111225231), we get a palindrome (3436446343).

The spelling of 1325221112 in words is "one billion, three hundred twenty-five million, two hundred twenty-one thousand, one hundred twelve".