1142220232044 has 36 divisors (see below), whose sum is σ = 2887352766480. Its totient is φ = 380730339360.

The previous prime is 1142220232019. The next prime is 1142220232067. The reversal of 1142220232044 is 4402320222411.

It is a happy number.

1142220232044 is a `hidden beast` number, since 1 + 1 + 422 + 2 + 0 + 232 + 0 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1142220231999 and 1142220232017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1097649 + ... + 1867959.

Almost surely, 2^{1142220232044} is an apocalyptic number.

It is an amenable number.

1142220232044 is an abundant number, since it is smaller than the sum of its proper divisors (1745132534436).

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

1142220232044 is a wasteful number, since it uses less digits than its factorization.

1142220232044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811510 (or 811505 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1142220232044 its reverse (4402320222411), we get a palindrome (5544540454455).

The spelling of 1142220232044 in words is "one trillion, one hundred forty-two billion, two hundred twenty million, two hundred thirty-two thousand, forty-four".