100012010001222 has 32 divisors (see below), whose sum is σ = 220209930293760. Its totient is φ = 30028626853920.

The previous prime is 100012010001203. The next prime is 100012010001271. The reversal of 100012010001222 is 222100010210001.

It is a junction number, because it is equal to n+sod(n) for n = 100012010001198 and 100012010001207.

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, 6951063838 + ... + 6951078225.

It is an arithmetic number, because the mean of its divisors is an integer number (6881560321680).

Almost surely, 2^{100012010001222} is an apocalyptic number.

100012010001222 is an abundant number, since it is smaller than the sum of its proper divisors (120197920292538).

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

100012010001222 is a wasteful number, since it uses less digits than its factorization.

100012010001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13902142188.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100012010001222 its reverse (222100010210001), we get a palindrome (322112020211223).

The spelling of 100012010001222 in words is "one hundred trillion, twelve billion, ten million, one thousand, two hundred twenty-two".