1000120012222 has 8 divisors (see below), whose sum is σ = 1500186580056. Its totient is φ = 500057818872.

The previous prime is 1000120012211. The next prime is 1000120012247. The reversal of 1000120012222 is 2222100210001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 445153 + ... + 1482700.

It is an arithmetic number, because the mean of its divisors is an integer number (187523322507).

Almost surely, 2^{1000120012222} is an apocalyptic number.

1000120012222 is a deficient number, since it is larger than the sum of its proper divisors (500066567834).

1000120012222 is a wasteful number, since it uses less digits than its factorization.

1000120012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187242.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1000120012222 its reverse (2222100210001), we get a palindrome (3222220222223).

The spelling of 1000120012222 in words is "one trillion, one hundred twenty million, twelve thousand, two hundred twenty-two".