20212133122 has 8 divisors (see below), whose sum is σ = 30393807372. Its totient is φ = 10080864000.

The previous prime is 20212133099. The next prime is 20212133129. The reversal of 20212133122 is 22133121202.

It can be written as a sum of positive squares in 2 ways, for example, as 18351849961 + 1860283161 = 135469^2 + 43131^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20212133122.

It is not an unprimeable number, because it can be changed into a prime (20212133129) 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, 12600279 + ... + 12601882.

Almost surely, 2^20212133122 is an apocalyptic number.

20212133122 is a deficient number, since it is larger than the sum of its proper divisors (10181674250).

20212133122 is a wasteful number, since it uses less digits than its factorization.

20212133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25202564.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20212133122 its reverse (22133121202), we get a palindrome (42345254324).

The spelling of 20212133122 in words is "twenty billion, two hundred twelve million, one hundred thirty-three thousand, one hundred twenty-two".