12020212122 has 8 divisors (see below), whose sum is σ = 24040424256. Its totient is φ = 4006737372.

The previous prime is 12020212111. The next prime is 12020212123. The reversal of 12020212122 is 22121202021.

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

12020212122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12020212123) 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, 1001684338 + ... + 1001684349.

It is an arithmetic number, because the mean of its divisors is an integer number (3005053032).

Almost surely, 2^12020212122 is an apocalyptic number.

12020212122 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.

12020212122 is a wasteful number, since it uses less digits than its factorization.

12020212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003368692.

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

Adding to 12020212122 its reverse (22121202021), we get a palindrome (34141414143).

The spelling of 12020212122 in words is "twelve billion, twenty million, two hundred twelve thousand, one hundred twenty-two".