20002322212312 has 64 divisors (see below), whose sum is σ = 44939688019200. Its totient is φ = 8238942771840.

The previous prime is 20002322212309. The next prime is 20002322212321. The reversal of 20002322212312 is 21321222320002.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260029183 + ... + 260106094.

It is an arithmetic number, because the mean of its divisors is an integer number (702182625300).

Almost surely, 2^{20002322212312} is an apocalyptic number.

20002322212312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20002322212312 is an abundant number, since it is smaller than the sum of its proper divisors (24937365806888).

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

20002322212312 is a wasteful number, since it uses less digits than its factorization.

20002322212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520135336 (or 520135332 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20002322212312 its reverse (21321222320002), we get a palindrome (41323544532314).

The spelling of 20002322212312 in words is "twenty trillion, two billion, three hundred twenty-two million, two hundred twelve thousand, three hundred twelve".