1000012222122 has 32 divisors (see below), whose sum is σ = 2005643549760. Its totient is φ = 332401484160.

The previous prime is 1000012222093. The next prime is 1000012222129. The reversal of 1000012222122 is 2212222100001.

It is not an unprimeable number, because it can be changed into a prime (1000012222129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6805872 + ... + 6951252.

It is an arithmetic number, because the mean of its divisors is an integer number (62676360930).

Almost surely, 2^{1000012222122} is an apocalyptic number.

1000012222122 is an abundant number, since it is smaller than the sum of its proper divisors (1005631327638).

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

1000012222122 is a wasteful number, since it uses less digits than its factorization.

1000012222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148598.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1000012222122 its reverse (2212222100001), we get a palindrome (3212234322123).

The spelling of 1000012222122 in words is "one trillion, twelve million, two hundred twenty-two thousand, one hundred twenty-two".