20123001213222 has 32 divisors (see below), whose sum is σ = 41012597898720. Its totient is φ = 6579945831680.

The previous prime is 20123001213191. The next prime is 20123001213283. The reversal of 20123001213222 is 22231210032102.

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, 3778479 + ... + 7383962.

It is an arithmetic number, because the mean of its divisors is an integer number (1281643684335).

Almost surely, 2^{20123001213222} is an apocalyptic number.

20123001213222 is an abundant number, since it is smaller than the sum of its proper divisors (20889596685498).

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

20123001213222 is a wasteful number, since it uses less digits than its factorization.

20123001213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11168168.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20123001213222 its reverse (22231210032102), we get a palindrome (42354211245324).

The spelling of 20123001213222 in words is "twenty trillion, one hundred twenty-three billion, one million, two hundred thirteen thousand, two hundred twenty-two".