20012312333222 has 32 divisors (see below), whose sum is σ = 33810062874624. Its totient is φ = 8801436009600.

The previous prime is 20012312333213. The next prime is 20012312333287. The reversal of 20012312333222 is 22233321321002.

It is a junction number, because it is equal to n+sod(n) for n = 20012312333191 and 20012312333200.

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, 957503 + ... + 6398549.

It is an arithmetic number, because the mean of its divisors is an integer number (1056564464832).

Almost surely, 2^{20012312333222} is an apocalyptic number.

20012312333222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012312333222 is a deficient number, since it is larger than the sum of its proper divisors (13797750541402).

20012312333222 is a wasteful number, since it uses less digits than its factorization.

20012312333222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446484.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20012312333222 its reverse (22233321321002), we get a palindrome (42245633654224).

The spelling of 20012312333222 in words is "twenty trillion, twelve billion, three hundred twelve million, three hundred thirty-three thousand, two hundred twenty-two".