20221122012 has 96 divisors (see below), whose sum is σ = 59166761472. Its totient is φ = 5232404736.

The previous prime is 20221122011. The next prime is 20221122013. The reversal of 20221122012 is 21022112202.

It is an interprime number because it is at equal distance from previous prime (20221122011) and next prime (20221122013).

It is a junction number, because it is equal to n+sod(n) for n = 20221121982 and 20221122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221122011) 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 31 ways as a sum of consecutive naturals, for example, 116818 + ... + 232569.

It is an arithmetic number, because the mean of its divisors is an integer number (616320432).

Almost surely, 2^20221122012 is an apocalyptic number.

It is an amenable number.

20221122012 is an abundant number, since it is smaller than the sum of its proper divisors (38945639460).

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

20221122012 is a wasteful number, since it uses less digits than its factorization.

20221122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349467 (or 349465 counting only the distinct ones).

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

Adding to 20221122012 its reverse (21022112202), we get a palindrome (41243234214).

The spelling of 20221122012 in words is "twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, twelve".