12253022221 has 32 divisors (see below), whose sum is σ = 14296867200. Its totient is φ = 10377953280.

The previous prime is 12253022219. The next prime is 12253022227. The reversal of 12253022221 is 12222035221.

It is not a de Polignac number, because 12253022221 - 2¹ = 12253022219 is a prime.

It is a super-3 number, since 3×12253022221³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12253022192 and 12253022201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253022227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15933325 + ... + 15934093.

It is an arithmetic number, because the mean of its divisors is an integer number (446777100).

Almost surely, 2^12253022221 is an apocalyptic number.

12253022221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12253022221 is a deficient number, since it is larger than the sum of its proper divisors (2043844979).

12253022221 is a wasteful number, since it uses less digits than its factorization.

12253022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 12253022221 its reverse (12222035221), we get a palindrome (24475057442).

The spelling of 12253022221 in words is "twelve billion, two hundred fifty-three million, twenty-two thousand, two hundred twenty-one".