20212122112232 has 16 divisors (see below), whose sum is σ = 39204547200900. Its totient is φ = 9757576192000.

The previous prime is 20212122112199. The next prime is 20212122112241. The reversal of 20212122112232 is 23221122121202.

It can be written as a sum of positive squares in 2 ways, for example, as 19643989079716 + 568133032516 = 4432154^2 + 753746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20212122112198 and 20212122112207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43560607769 + ... + 43560608232.

Almost surely, 2^{20212122112232} is an apocalyptic number.

It is an amenable number.

20212122112232 is a deficient number, since it is larger than the sum of its proper divisors (18992425088668).

20212122112232 is a wasteful number, since it uses less digits than its factorization.

20212122112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87121216036 (or 87121216032 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 20212122112232 its reverse (23221122121202), we get a palindrome (43433244233434).

The spelling of 20212122112232 in words is "twenty trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twelve thousand, two hundred thirty-two".