142120121301043 has 32 divisors (see below), whose sum is σ = 153506943959040. Its totient is φ = 131173039388160.

The previous prime is 142120121301007. The next prime is 142120121301121. The reversal of 142120121301043 is 340103121021241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142120121301043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142120121300999 and 142120121301017.

It is not an unprimeable number, because it can be changed into a prime (142120121341043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10244361355 + ... + 10244375227.

It is an arithmetic number, because the mean of its divisors is an integer number (4797091998720).

Almost surely, 2^{142120121301043} is an apocalyptic number.

142120121301043 is a deficient number, since it is larger than the sum of its proper divisors (11386822657997).

142120121301043 is a wasteful number, since it uses less digits than its factorization.

142120121301043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22219.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 142120121301043 its reverse (340103121021241), we get a palindrome (482223242322284).

The spelling of 142120121301043 in words is "one hundred forty-two trillion, one hundred twenty billion, one hundred twenty-one million, three hundred one thousand, forty-three".