20031223012102 has 8 divisors (see below), whose sum is σ = 31814295372216. Its totient is φ = 9426457888032.

The previous prime is 20031223012067. The next prime is 20031223012127. The reversal of 20031223012102 is 20121032213002.

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 20031223012102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294576808968 + ... + 294576809035.

It is an arithmetic number, because the mean of its divisors is an integer number (3976786921527).

Almost surely, 2^{20031223012102} is an apocalyptic number.

20031223012102 is a deficient number, since it is larger than the sum of its proper divisors (11783072360114).

20031223012102 is a wasteful number, since it uses less digits than its factorization.

20031223012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589153618022.

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

Adding to 20031223012102 its reverse (20121032213002), we get a palindrome (40152255225104).

The spelling of 20031223012102 in words is "twenty trillion, thirty-one billion, two hundred twenty-three million, twelve thousand, one hundred two".