12069400052 has 24 divisors (see below), whose sum is σ = 22047572736. Its totient is φ = 5770279328.

The previous prime is 12069400043. The next prime is 12069400099. The reversal of 12069400052 is 25000496021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12069399988 and 12069400024.

It is a congruent number.

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, 256418 + ... + 299814.

It is an arithmetic number, because the mean of its divisors is an integer number (918648864).

Almost surely, 2^12069400052 is an apocalyptic number.

It is an amenable number.

12069400052 is a deficient number, since it is larger than the sum of its proper divisors (9978172684).

12069400052 is a wasteful number, since it uses less digits than its factorization.

12069400052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46447 (or 46445 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 12069400052 its reverse (25000496021), we get a palindrome (37069896073).

The spelling of 12069400052 in words is "twelve billion, sixty-nine million, four hundred thousand, fifty-two".