20003122212 has 24 divisors (see below), whose sum is σ = 46793947200. Its totient is φ = 6650565216.

The previous prime is 20003122211. The next prime is 20003122261. The reversal of 20003122212 is 21222130002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20003122191 and 20003122200.

It is not an unprimeable number, because it can be changed into a prime (20003122211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2137912 + ... + 2147247.

It is an arithmetic number, because the mean of its divisors is an integer number (1949747800).

Almost surely, 2^20003122212 is an apocalyptic number.

It is an amenable number.

20003122212 is an abundant number, since it is smaller than the sum of its proper divisors (26790824988).

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

20003122212 is a wasteful number, since it uses less digits than its factorization.

20003122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285555 (or 4285553 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20003122212 its reverse (21222130002), we get a palindrome (41225252214).

The spelling of 20003122212 in words is "twenty billion, three million, one hundred twenty-two thousand, two hundred twelve".