12453252212 has 24 divisors (see below), whose sum is σ = 22127716800. Its totient is φ = 6131125440.

The previous prime is 12453252209. The next prime is 12453252221. The reversal of 12453252212 is 21225235421.

It is a happy number.

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, 739664 + ... + 756312.

It is an arithmetic number, because the mean of its divisors is an integer number (921988200).

Almost surely, 2^12453252212 is an apocalyptic number.

It is an amenable number.

12453252212 is a deficient number, since it is larger than the sum of its proper divisors (9674464588).

12453252212 is a wasteful number, since it uses less digits than its factorization.

12453252212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19511 (or 19509 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

Adding to 12453252212 its reverse (21225235421), we get a palindrome (33678487633).

The spelling of 12453252212 in words is "twelve billion, four hundred fifty-three million, two hundred fifty-two thousand, two hundred twelve".