121103012 has 24 divisors (see below), whose sum is σ = 219565080. Its totient is φ = 58403840.

The previous prime is 121102999. The next prime is 121103023. The reversal of 121103012 is 210301121.

It can be written as a sum of positive squares in 4 ways, for example, as 10137856 + 110965156 = 3184^2 + 10534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121102984 and 121103002.

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, 10448 + ... + 18744.

It is an arithmetic number, because the mean of its divisors is an integer number (9148545).

Almost surely, 2^121103012 is an apocalyptic number.

It is an amenable number.

121103012 is a deficient number, since it is larger than the sum of its proper divisors (98462068).

121103012 is a wasteful number, since it uses less digits than its factorization.

121103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8431 (or 8429 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 121103012 is about 11004.6813674908. The cubic root of 121103012 is about 494.7490643911.

Adding to 121103012 its reverse (210301121), we get a palindrome (331404133).

The spelling of 121103012 in words is "one hundred twenty-one million, one hundred three thousand, twelve".