1212100101122 has 16 divisors (see below), whose sum is σ = 1877190239232. Its totient is φ = 586378148160.

The previous prime is 1212100101089. The next prime is 1212100101139. The reversal of 1212100101122 is 2211010012121.

It is a junction number, because it is equal to n+sod(n) for n = 1212100101097 and 1212100101106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1730618 + ... + 2327925.

It is an arithmetic number, because the mean of its divisors is an integer number (117324389952).

Almost surely, 2^{1212100101122} is an apocalyptic number.

1212100101122 is a deficient number, since it is larger than the sum of its proper divisors (665090138110).

1212100101122 is a wasteful number, since it uses less digits than its factorization.

1212100101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063393.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212100101122 its reverse (2211010012121), we get a palindrome (3423110113243).

The spelling of 1212100101122 in words is "one trillion, two hundred twelve billion, one hundred million, one hundred one thousand, one hundred twenty-two".