12210131242 has 16 divisors (see below), whose sum is σ = 18349260480. Its totient is φ = 6093723328.

The previous prime is 12210131179. The next prime is 12210131249. The reversal of 12210131242 is 24213101221.

It is not an unprimeable number, because it can be changed into a prime (12210131249) 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 7 ways as a sum of consecutive naturals, for example, 3951234 + ... + 3954322.

It is an arithmetic number, because the mean of its divisors is an integer number (1146828780).

Almost surely, 2^12210131242 is an apocalyptic number.

12210131242 is a deficient number, since it is larger than the sum of its proper divisors (6139129238).

12210131242 is a wasteful number, since it uses less digits than its factorization.

12210131242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6125.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12210131242 its reverse (24213101221), we get a palindrome (36423232463).

The spelling of 12210131242 in words is "twelve billion, two hundred ten million, one hundred thirty-one thousand, two hundred forty-two".