2222122100012 has 6 divisors (see below), whose sum is σ = 3888713675028. Its totient is φ = 1111061050004.

The previous prime is 2222122099979. The next prime is 2222122100047. The reversal of 2222122100012 is 2100012212222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277765262498 + ... + 277765262505.

It is an arithmetic number, because the mean of its divisors is an integer number (648118945838).

Almost surely, 2^{2222122100012} is an apocalyptic number.

It is an amenable number.

2222122100012 is a deficient number, since it is larger than the sum of its proper divisors (1666591575016).

2222122100012 is a wasteful number, since it uses less digits than its factorization.

2222122100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555530525007 (or 555530525005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2222122100012 its reverse (2100012212222), we get a palindrome (4322134312234).

The spelling of 2222122100012 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred thousand, twelve".