1242143032330 has 32 divisors (see below), whose sum is σ = 2392116716160. Its totient is φ = 462990323520.

The previous prime is 1242143032307. The next prime is 1242143032357. The reversal of 1242143032330 is 332303412421.

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 15 ways as a sum of consecutive naturals, for example, 53575254 + ... + 53598433.

It is an arithmetic number, because the mean of its divisors is an integer number (74753647380).

Almost surely, 2^{1242143032330} is an apocalyptic number.

1242143032330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242143032330 is a deficient number, since it is larger than the sum of its proper divisors (1149973683830).

1242143032330 is a wasteful number, since it uses less digits than its factorization.

1242143032330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107173774.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1242143032330 its reverse (332303412421), we get a palindrome (1574446444751).

The spelling of 1242143032330 in words is "one trillion, two hundred forty-two billion, one hundred forty-three million, thirty-two thousand, three hundred thirty".