20132121223 has 8 divisors (see below), whose sum is σ = 20177902080. Its totient is φ = 20086380600.

The previous prime is 20132121181. The next prime is 20132121271. The reversal of 20132121223 is 32212123102.

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

It is a cyclic number.

It is not a de Polignac number, because 20132121223 - 2²⁵ = 20098566791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20132121223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132121323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136448 + ... + 1154026.

It is an arithmetic number, because the mean of its divisors is an integer number (2522237760).

Almost surely, 2^20132121223 is an apocalyptic number.

20132121223 is a deficient number, since it is larger than the sum of its proper divisors (45780857).

20132121223 is a wasteful number, since it uses less digits than its factorization.

20132121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20117.

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

Adding to 20132121223 its reverse (32212123102), we get a palindrome (52344244325).

The spelling of 20132121223 in words is "twenty billion, one hundred thirty-two million, one hundred twenty-one thousand, two hundred twenty-three".