72130122443 has 8 divisors (see below), whose sum is σ = 76418053200. Its totient is φ = 67847189760.

The previous prime is 72130122431. The next prime is 72130122461. The reversal of 72130122443 is 34422103127.

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 72130122443 - 2¹⁰ = 72130121419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72130122413) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1219778 + ... + 1277543.

It is an arithmetic number, because the mean of its divisors is an integer number (9552256650).

Almost surely, 2^72130122443 is an apocalyptic number.

72130122443 is a deficient number, since it is larger than the sum of its proper divisors (4287930757).

72130122443 is a wasteful number, since it uses less digits than its factorization.

72130122443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499037.

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 72130122443 in words is "seventy-two billion, one hundred thirty million, one hundred twenty-two thousand, four hundred forty-three".