121011303012 has 24 divisors (see below), whose sum is σ = 297220744800. Its totient is φ = 38214095616.

The previous prime is 121011303011. The next prime is 121011303029. The reversal of 121011303012 is 210303110121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121011302982 and 121011303000.

It is not an unprimeable number, because it can be changed into a prime (121011303011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265375437 + ... + 265375892.

It is an arithmetic number, because the mean of its divisors is an integer number (12384197700).

Almost surely, 2^121011303012 is an apocalyptic number.

121011303012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121011303012 is an abundant number, since it is smaller than the sum of its proper divisors (176209441788).

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

121011303012 is a wasteful number, since it uses less digits than its factorization.

121011303012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530751355 (or 530751353 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 121011303012 its reverse (210303110121), we get a palindrome (331314413133).

The spelling of 121011303012 in words is "one hundred twenty-one billion, eleven million, three hundred three thousand, twelve".