13225433412 has 48 divisors (see below), whose sum is σ = 33311456640. Its totient is φ = 4071395328.

The previous prime is 13225433411. The next prime is 13225433423. The reversal of 13225433412 is 21433452231.

It is a self number, because there is not a number n which added to its sum of digits gives 13225433412.

It is not an unprimeable number, because it can be changed into a prime (13225433411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818173 + ... + 834180.

It is an arithmetic number, because the mean of its divisors is an integer number (693988680).

Almost surely, 2^13225433412 is an apocalyptic number.

13225433412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13225433412 is an abundant number, since it is smaller than the sum of its proper divisors (20086023228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13225433412 is a wasteful number, since it uses less digits than its factorization.

13225433412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652412 (or 1652410 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 13225433412 its reverse (21433452231), we get a palindrome (34658885643).

The spelling of 13225433412 in words is "thirteen billion, two hundred twenty-five million, four hundred thirty-three thousand, four hundred twelve".