1142224222412 has 48 divisors (see below), whose sum is σ = 2466666773760. Its totient is φ = 450676602432.

The previous prime is 1142224222409. The next prime is 1142224222423. The reversal of 1142224222412 is 2142224222411.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

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, 4001858 + ... + 4277769.

It is an arithmetic number, because the mean of its divisors is an integer number (51388891120).

Almost surely, 2^{1142224222412} is an apocalyptic number.

It is an amenable number.

1142224222412 is an abundant number, since it is smaller than the sum of its proper divisors (1324442551348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142224222412 is a wasteful number, since it uses less digits than its factorization.

1142224222412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8280030 (or 8280028 counting only the distinct ones).

The product of its digits is 8192, while the sum is 29.

Adding to 1142224222412 its reverse (2142224222411), we get a palindrome (3284448444823).

Subtracting 1142224222412 from its reverse (2142224222411), we obtain a palindrome (999999999999).

The spelling of 1142224222412 in words is "one trillion, one hundred forty-two billion, two hundred twenty-four million, two hundred twenty-two thousand, four hundred twelve".