15212182820147 has 4 divisors (see below), whose sum is σ = 15212192472000. Its totient is φ = 15212173168296.

The previous prime is 15212182820053. The next prime is 15212182820171. The reversal of 15212182820147 is 74102828121251.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 15212182820147 - 2³⁰ = 15211109078323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15212182820098 and 15212182820107.

It is not an unprimeable number, because it can be changed into a prime (15212182820447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1850147 + ... + 5817852.

It is an arithmetic number, because the mean of its divisors is an integer number (3803048118000).

Almost surely, 2^{15212182820147} is an apocalyptic number.

15212182820147 is a deficient number, since it is larger than the sum of its proper divisors (9651853).

15212182820147 is an equidigital number, since it uses as much as digits as its factorization.

15212182820147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9651852.

The product of its (nonzero) digits is 143360, while the sum is 44.

The spelling of 15212182820147 in words is "fifteen trillion, two hundred twelve billion, one hundred eighty-two million, eight hundred twenty thousand, one hundred forty-seven".