12222200221012 has 12 divisors (see below), whose sum is σ = 21464967294036. Its totient is φ = 6089352422720.

The previous prime is 12222200220977. The next prime is 12222200221051. The reversal of 12222200221012 is 21012200222221.

It can be written as a sum of positive squares in 2 ways, for example, as 6351629819536 + 5870570401476 = 2520244^2 + 2422926^2 .

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, 5436920683 + ... + 5436922930.

It is an arithmetic number, because the mean of its divisors is an integer number (1788747274503).

Almost surely, 2^{12222200221012} is an apocalyptic number.

It is an amenable number.

12222200221012 is a deficient number, since it is larger than the sum of its proper divisors (9242767073024).

12222200221012 is a wasteful number, since it uses less digits than its factorization.

12222200221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10873843898 (or 10873843896 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12222200221012 its reverse (21012200222221), we get a palindrome (33234400443233).

The spelling of 12222200221012 in words is "twelve trillion, two hundred twenty-two billion, two hundred million, two hundred twenty-one thousand, twelve".