1112211001212 has 48 divisors (see below), whose sum is σ = 2641051650720. Its totient is φ = 364236705792.

The previous prime is 1112211001189. The next prime is 1112211001229. The reversal of 1112211001212 is 2121001122111.

It is a happy number.

It is a super-2 number, since 2×1112211001212² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112211001191 and 1112211001200.

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, 3327787 + ... + 3646722.

It is an arithmetic number, because the mean of its divisors is an integer number (55021909390).

Almost surely, 2^{1112211001212} is an apocalyptic number.

1112211001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112211001212 is an abundant number, since it is smaller than the sum of its proper divisors (1528840649508).

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

1112211001212 is a wasteful number, since it uses less digits than its factorization.

1112211001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6974750 (or 6974748 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1112211001212 its reverse (2121001122111), we get a palindrome (3233212123323).

The spelling of 1112211001212 in words is "one trillion, one hundred twelve billion, two hundred eleven million, one thousand, two hundred twelve".