20210212122 has 8 divisors (see below), whose sum is σ = 40420424256. Its totient is φ = 6736737372.

The previous prime is 20210212117. The next prime is 20210212147. The reversal of 20210212122 is 22121201202.

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

20210212122 is an admirable number.

It is an unprimeable number.

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, 1684184338 + ... + 1684184349.

It is an arithmetic number, because the mean of its divisors is an integer number (5052553032).

Almost surely, 2^20210212122 is an apocalyptic number.

20210212122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20210212122 is a wasteful number, since it uses less digits than its factorization.

20210212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368368692.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20210212122 its reverse (22121201202), we get a palindrome (42331413324).

The spelling of 20210212122 in words is "twenty billion, two hundred ten million, two hundred twelve thousand, one hundred twenty-two".