12101244442 has 32 divisors (see below), whose sum is σ = 21545533440. Its totient is φ = 4989853680.

The previous prime is 12101244433. The next prime is 12101244461. The reversal of 12101244442 is 24444210121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117034 + ... + 194677.

It is an arithmetic number, because the mean of its divisors is an integer number (673297920).

Almost surely, 2^12101244442 is an apocalyptic number.

12101244442 is a deficient number, since it is larger than the sum of its proper divisors (9444288998).

12101244442 is a wasteful number, since it uses less digits than its factorization.

12101244442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311826.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 12101244442 its reverse (24444210121), we get a palindrome (36545454563).

The spelling of 12101244442 in words is "twelve billion, one hundred one million, two hundred forty-four thousand, four hundred forty-two".