12140220222 has 48 divisors (see below), whose sum is σ = 29376350640. Its totient is φ = 3735450432.

The previous prime is 12140220163. The next prime is 12140220347. The reversal of 12140220222 is 22202204121.

12140220222 is a `hidden beast` number, since 1 + 21 + 402 + 20 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12140220195 and 12140220204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 954447 + ... + 967082.

It is an arithmetic number, because the mean of its divisors is an integer number (612007305).

Almost surely, 2^12140220222 is an apocalyptic number.

12140220222 is an abundant number, since it is smaller than the sum of its proper divisors (17236130418).

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

12140220222 is a wasteful number, since it uses less digits than its factorization.

12140220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921559 (or 1921547 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12140220222 its reverse (22202204121), we get a palindrome (34342424343).

The spelling of 12140220222 in words is "twelve billion, one hundred forty million, two hundred twenty thousand, two hundred twenty-two".