20122101212182 has 4 divisors (see below), whose sum is σ = 30183151818276. Its totient is φ = 10061050606090.

The previous prime is 20122101212033. The next prime is 20122101212183. The reversal of 20122101212182 is 28121210122102.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20122101212182² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122101212183) 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 as a sum of consecutive naturals, namely, 5030525303044 + ... + 5030525303047.

It is an arithmetic number, because the mean of its divisors is an integer number (7545787954569).

Almost surely, 2^{20122101212182} is an apocalyptic number.

20122101212182 is a deficient number, since it is larger than the sum of its proper divisors (10061050606094).

20122101212182 is a wasteful number, since it uses less digits than its factorization.

20122101212182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061050606093.

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 20122101212182 its reverse (28121210122102), we get a palindrome (48243311334284).

The spelling of 20122101212182 in words is "twenty trillion, one hundred twenty-two billion, one hundred one million, two hundred twelve thousand, one hundred eighty-two".