12222053540 has 24 divisors (see below), whose sum is σ = 25707014592. Its totient is φ = 4881068640.

The previous prime is 12222053533. The next prime is 12222053551. The reversal of 12222053540 is 4535022221.

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 7 ways as a sum of consecutive naturals, for example, 471614 + ... + 496853.

It is an arithmetic number, because the mean of its divisors is an integer number (1071125608).

Almost surely, 2^12222053540 is an apocalyptic number.

12222053540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222053540 is an abundant number, since it is smaller than the sum of its proper divisors (13484961052).

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

12222053540 is a wasteful number, since it uses less digits than its factorization.

12222053540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969107 (or 969105 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 12222053540 its reverse (4535022221), we get a palindrome (16757075761).

The spelling of 12222053540 in words is "twelve billion, two hundred twenty-two million, fifty-three thousand, five hundred forty".