182012212021 has 4 divisors (see below), whose sum is σ = 182028314944. Its totient is φ = 181996109100.

The previous prime is 182012211973. The next prime is 182012212061. The reversal of 182012212021 is 120212210281.

182012212021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 182012212021 - 2¹³ = 182012203829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 182012211983 and 182012212001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182012212061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8034495 + ... + 8057116.

It is an arithmetic number, because the mean of its divisors is an integer number (45507078736).

Almost surely, 2^182012212021 is an apocalyptic number.

It is an amenable number.

182012212021 is a deficient number, since it is larger than the sum of its proper divisors (16102923).

182012212021 is a wasteful number, since it uses less digits than its factorization.

182012212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16102922.

The product of its (nonzero) digits is 256, while the sum is 22.

The spelling of 182012212021 in words is "one hundred eighty-two billion, twelve million, two hundred twelve thousand, twenty-one".