1121212010112 has 64 divisors (see below), whose sum is σ = 2982420717600. Its totient is φ = 373210113024.

The previous prime is 1121212010081. The next prime is 1121212010143. The reversal of 1121212010112 is 2110102121211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121212010081) and next prime (1121212010143).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1121212010091 and 1121212010100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786858 + ... + 2331369.

Almost surely, 2^{1121212010112} is an apocalyptic number.

1121212010112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121212010112 is an abundant number, since it is smaller than the sum of its proper divisors (1861208707488).

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

1121212010112 is an equidigital number, since it uses as much as digits as its factorization.

1121212010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118953 (or 4118941 counting only the distinct ones).

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

Adding to 1121212010112 its reverse (2110102121211), we get a palindrome (3231314131323).

The spelling of 1121212010112 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, ten thousand, one hundred twelve".