1142221323504 has 20 divisors (see below), whose sum is σ = 2950738419176. Its totient is φ = 380740441152.

The previous prime is 1142221323461. The next prime is 1142221323521. The reversal of 1142221323504 is 4053231222411.

It is a happy number.

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, 11898138739 + ... + 11898138834.

Almost surely, 2^{1142221323504} is an apocalyptic number.

It is an amenable number.

1142221323504 is an abundant number, since it is smaller than the sum of its proper divisors (1808517095672).

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

1142221323504 is a wasteful number, since it uses less digits than its factorization.

1142221323504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23796277584 (or 23796277578 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1142221323504 its reverse (4053231222411), we get a palindrome (5195452545915).

The spelling of 1142221323504 in words is "one trillion, one hundred forty-two billion, two hundred twenty-one million, three hundred twenty-three thousand, five hundred four".