20221031103012 has 72 divisors (see below), whose sum is σ = 51835358090880. Its totient is φ = 6645259837440.

The previous prime is 20221031102971. The next prime is 20221031103017. The reversal of 20221031103012 is 21030113012202.

20221031103012 is a `hidden beast` number, since 20 + 22 + 10 + 311 + 0 + 301 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20221031103017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223740289 + ... + 223830647.

It is an arithmetic number, because the mean of its divisors is an integer number (719935529040).

Almost surely, 2^{20221031103012} is an apocalyptic number.

It is an amenable number.

20221031103012 is an abundant number, since it is smaller than the sum of its proper divisors (31614326987868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20221031103012 is a wasteful number, since it uses less digits than its factorization.

20221031103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177993 (or 177988 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20221031103012 its reverse (21030113012202), we get a palindrome (41251144115214).

The spelling of 20221031103012 in words is "twenty trillion, two hundred twenty-one billion, thirty-one million, one hundred three thousand, twelve".