1224240142020 has 96 divisors (see below), whose sum is σ = 3917857483008. Its totient is φ = 279805673472.

The previous prime is 1224240142001. The next prime is 1224240142057. The reversal of 1224240142020 is 202410424221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6005284 + ... + 6205796.

It is an arithmetic number, because the mean of its divisors is an integer number (40811015448).

Almost surely, 2^{1224240142020} is an apocalyptic number.

1224240142020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224240142020 is an abundant number, since it is smaller than the sum of its proper divisors (2693617340988).

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

1224240142020 is a wasteful number, since it uses less digits than its factorization.

1224240142020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215069 (or 215067 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 1224240142020 its reverse (202410424221), we get a palindrome (1426650566241).

The spelling of 1224240142020 in words is "one trillion, two hundred twenty-four billion, two hundred forty million, one hundred forty-two thousand, twenty".