20211212022 has 8 divisors (see below), whose sum is σ = 40422424056. Its totient is φ = 6737070672.

The previous prime is 20211212003. The next prime is 20211212023. The reversal of 20211212022 is 22021211202.

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

20211212022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20211211992 and 20211212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211212023) 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, 1684267663 + ... + 1684267674.

It is an arithmetic number, because the mean of its divisors is an integer number (5052803007).

Almost surely, 2^20211212022 is an apocalyptic number.

20211212022 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.

20211212022 is a wasteful number, since it uses less digits than its factorization.

20211212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368535342.

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

Adding to 20211212022 its reverse (22021211202), we get a palindrome (42232423224).

The spelling of 20211212022 in words is "twenty billion, two hundred eleven million, two hundred twelve thousand, twenty-two".