20212310123 has 8 divisors (see below), whose sum is σ = 21509908992. Its totient is φ = 18926782336.

The previous prime is 20212310081. The next prime is 20212310159. The reversal of 20212310123 is 32101321202.

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 20212310123 - 2⁸ = 20212309867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212310423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3014315 + ... + 3021012.

It is an arithmetic number, because the mean of its divisors is an integer number (2688738624).

Almost surely, 2^20212310123 is an apocalyptic number.

20212310123 is a deficient number, since it is larger than the sum of its proper divisors (1297598869).

20212310123 is a wasteful number, since it uses less digits than its factorization.

20212310123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035541.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20212310123 its reverse (32101321202), we get a palindrome (52313631325).

The spelling of 20212310123 in words is "twenty billion, two hundred twelve million, three hundred ten thousand, one hundred twenty-three".