12022511225 has 12 divisors (see below), whose sum is σ = 14917160940. Its totient is φ = 9612043200.

The previous prime is 12022511219. The next prime is 12022511287. The reversal of 12022511225 is 52211522021.

It can be written as a sum of positive squares in 6 ways, for example, as 656179456 + 11366331769 = 25616^2 + 106613^2 .

It is not a de Polignac number, because 12022511225 - 2⁴ = 12022511209 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12022511225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107810 + ... + 188859.

It is an arithmetic number, because the mean of its divisors is an integer number (1243096745).

Almost surely, 2^12022511225 is an apocalyptic number.

It is an amenable number.

12022511225 is a deficient number, since it is larger than the sum of its proper divisors (2894649715).

12022511225 is a wasteful number, since it uses less digits than its factorization.

12022511225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298300 (or 298295 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 12022511225 in words is "twelve billion, twenty-two million, five hundred eleven thousand, two hundred twenty-five".