1000121112112 has 10 divisors (see below), whose sum is σ = 1937734654748. Its totient is φ = 500060556048.

The previous prime is 1000121112097. The next prime is 1000121112119. The reversal of 1000121112112 is 2112111210001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1000121112092 and 1000121112101.

It is not an unprimeable number, because it can be changed into a prime (1000121112119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31253784738 + ... + 31253784769.

Almost surely, 2^{1000121112112} is an apocalyptic number.

It is an amenable number.

1000121112112 is a deficient number, since it is larger than the sum of its proper divisors (937613542636).

1000121112112 is an equidigital number, since it uses as much as digits as its factorization.

1000121112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62507569515 (or 62507569509 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1000121112112 its reverse (2112111210001), we get a palindrome (3112232322113).

The spelling of 1000121112112 in words is "one trillion, one hundred twenty-one million, one hundred twelve thousand, one hundred twelve".