12101432222242 has 32 divisors (see below), whose sum is σ = 20665037343744. Its totient is φ = 5261053736400.

The previous prime is 12101432222221. The next prime is 12101432222387. The reversal of 12101432222242 is 24222223410121.

It is a self number, because there is not a number n which added to its sum of digits gives 12101432222242.

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, 5117293 + ... + 7098559.

It is an arithmetic number, because the mean of its divisors is an integer number (645782416992).

Almost surely, 2^{12101432222242} is an apocalyptic number.

12101432222242 is a deficient number, since it is larger than the sum of its proper divisors (8563605121502).

12101432222242 is a wasteful number, since it uses less digits than its factorization.

12101432222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993374.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 12101432222242 its reverse (24222223410121), we get a palindrome (36323655632363).

The spelling of 12101432222242 in words is "twelve trillion, one hundred one billion, four hundred thirty-two million, two hundred twenty-two thousand, two hundred forty-two".