20212123322 has 16 divisors (see below), whose sum is σ = 30397159680. Its totient is φ = 10079757072.

The previous prime is 20212123291. The next prime is 20212123331. The reversal of 20212123322 is 22332121202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20212123294 and 20212123303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3292568 + ... + 3298700.

It is an arithmetic number, because the mean of its divisors is an integer number (1899822480).

Almost surely, 2^20212123322 is an apocalyptic number.

20212123322 is a deficient number, since it is larger than the sum of its proper divisors (10185036358).

20212123322 is a wasteful number, since it uses less digits than its factorization.

20212123322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10157.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20212123322 its reverse (22332121202), we get a palindrome (42544244524).

The spelling of 20212123322 in words is "twenty billion, two hundred twelve million, one hundred twenty-three thousand, three hundred twenty-two".