142812193247 has 8 divisors (see below), whose sum is σ = 144137568960. Its totient is φ = 141487897600.

The previous prime is 142812193231. The next prime is 142812193253. The reversal of 142812193247 is 742391218241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142812193247 - 2⁴ = 142812193231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142812193198 and 142812193207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142812193217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3122 + ... + 534447.

It is an arithmetic number, because the mean of its divisors is an integer number (18017196120).

Almost surely, 2^142812193247 is an apocalyptic number.

142812193247 is a deficient number, since it is larger than the sum of its proper divisors (1325375713).

142812193247 is a wasteful number, since it uses less digits than its factorization.

142812193247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540033.

The product of its digits is 193536, while the sum is 44.

The spelling of 142812193247 in words is "one hundred forty-two billion, eight hundred twelve million, one hundred ninety-three thousand, two hundred forty-seven".