1222311412142 has 8 divisors (see below), whose sum is σ = 1876105888536. Its totient is φ = 596942782632.

The previous prime is 1222311412139. The next prime is 1222311412159. The reversal of 1222311412142 is 2412141132221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7106461613 + ... + 7106461784.

It is an arithmetic number, because the mean of its divisors is an integer number (234513236067).

Almost surely, 2^{1222311412142} is an apocalyptic number.

1222311412142 is a deficient number, since it is larger than the sum of its proper divisors (653794476394).

1222311412142 is a wasteful number, since it uses less digits than its factorization.

1222311412142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14212923442.

The product of its digits is 1536, while the sum is 26.

Adding to 1222311412142 its reverse (2412141132221), we get a palindrome (3634452544363).

The spelling of 1222311412142 in words is "one trillion, two hundred twenty-two billion, three hundred eleven million, four hundred twelve thousand, one hundred forty-two".