121116012 has 12 divisors (see below), whose sum is σ = 282604056. Its totient is φ = 40372000.

The previous prime is 121115987. The next prime is 121116029. The reversal of 121116012 is 210611121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 121115982 and 121116000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5046489 + ... + 5046512.

It is an arithmetic number, because the mean of its divisors is an integer number (23550338).

Almost surely, 2^121116012 is an apocalyptic number.

121116012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121116012 is an abundant number, since it is smaller than the sum of its proper divisors (161488044).

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

121116012 is a wasteful number, since it uses less digits than its factorization.

121116012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10093008 (or 10093006 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 121116012 is about 11005.2720093599. The cubic root of 121116012 is about 494.7667669723.

Adding to 121116012 its reverse (210611121), we get a palindrome (331727133).

The spelling of 121116012 in words is "one hundred twenty-one million, one hundred sixteen thousand, twelve".