12212142044 has 6 divisors (see below), whose sum is σ = 21371248584. Its totient is φ = 6106071020.

The previous prime is 12212142017. The next prime is 12212142053. The reversal of 12212142044 is 44024121221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526517752 + ... + 1526517759.

It is an arithmetic number, because the mean of its divisors is an integer number (3561874764).

Almost surely, 2^12212142044 is an apocalyptic number.

It is an amenable number.

12212142044 is a deficient number, since it is larger than the sum of its proper divisors (9159106540).

12212142044 is a wasteful number, since it uses less digits than its factorization.

12212142044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053035515 (or 3053035513 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12212142044 its reverse (44024121221), we get a palindrome (56236263265).

The spelling of 12212142044 in words is "twelve billion, two hundred twelve million, one hundred forty-two thousand, forty-four".