12220141401442 has 64 divisors (see below), whose sum is σ = 20828763648000. Its totient is φ = 5330483443008.

The previous prime is 12220141401439. The next prime is 12220141401443. The reversal of 12220141401442 is 24410414102221.

It is a self number, because there is not a number n which added to its sum of digits gives 12220141401442.

It is not an unprimeable number, because it can be changed into a prime (12220141401443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489204109 + ... + 489229087.

It is an arithmetic number, because the mean of its divisors is an integer number (325449432000).

Almost surely, 2^{12220141401442} is an apocalyptic number.

12220141401442 is a deficient number, since it is larger than the sum of its proper divisors (8608622246558).

12220141401442 is a wasteful number, since it uses less digits than its factorization.

12220141401442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27335.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 12220141401442 its reverse (24410414102221), we get a palindrome (36630555503663).

The spelling of 12220141401442 in words is "twelve trillion, two hundred twenty billion, one hundred forty-one million, four hundred one thousand, four hundred forty-two".