1222211623142 has 8 divisors (see below), whose sum is σ = 1833626143800. Its totient is φ = 611002908544.

The previous prime is 1222211623141. The next prime is 1222211623153. The reversal of 1222211623142 is 2413261122221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222211623141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51436667 + ... + 51460422.

It is an arithmetic number, because the mean of its divisors is an integer number (229203267975).

Almost surely, 2^{1222211623142} is an apocalyptic number.

1222211623142 is a deficient number, since it is larger than the sum of its proper divisors (611414520658).

1222211623142 is a wasteful number, since it uses less digits than its factorization.

1222211623142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102903030.

The product of its digits is 4608, while the sum is 29.

Adding to 1222211623142 its reverse (2413261122221), we get a palindrome (3635472745363).

The spelling of 1222211623142 in words is "one trillion, two hundred twenty-two billion, two hundred eleven million, six hundred twenty-three thousand, one hundred forty-two".