20213312010123 has 8 divisors (see below), whose sum is σ = 27608426160336. Its totient is φ = 13146869600000.

The previous prime is 20213312010109. The next prime is 20213312010149. The reversal of 20213312010123 is 32101021331202.

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 20213312010123 - 2⁴ = 20213312010107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20213312010123.

It is not an unprimeable number, because it can be changed into a prime (20213312080123) 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, 82167934878 + ... + 82167935123.

It is an arithmetic number, because the mean of its divisors is an integer number (3451053270042).

Almost surely, 2^{20213312010123} is an apocalyptic number.

20213312010123 is a deficient number, since it is larger than the sum of its proper divisors (7395114150213).

20213312010123 is a wasteful number, since it uses less digits than its factorization.

20213312010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164335870045.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20213312010123 its reverse (32101021331202), we get a palindrome (52314333341325).

The spelling of 20213312010123 in words is "twenty trillion, two hundred thirteen billion, three hundred twelve million, ten thousand, one hundred twenty-three".