12210423102 has 48 divisors (see below), whose sum is σ = 26660061792. Its totient is φ = 4038819840.

The previous prime is 12210423083. The next prime is 12210423109. The reversal of 12210423102 is 20132401221.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210423109) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1923678 + ... + 1930014.

It is an arithmetic number, because the mean of its divisors is an integer number (555417954).

Almost surely, 2^12210423102 is an apocalyptic number.

12210423102 is an abundant number, since it is smaller than the sum of its proper divisors (14449638690).

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

12210423102 is a wasteful number, since it uses less digits than its factorization.

12210423102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7153 (or 7150 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12210423102 its reverse (20132401221), we get a palindrome (32342824323).

The spelling of 12210423102 in words is "twelve billion, two hundred ten million, four hundred twenty-three thousand, one hundred two".