121030303012 has 24 divisors (see below), whose sum is σ = 226729389600. Its totient is φ = 56358444096.

The previous prime is 121030302997. The next prime is 121030303039. The reversal of 121030303012 is 210303030121.

It is an alternating number because its digits alternate between odd and even.

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, 13491313 + ... + 13500280.

It is an arithmetic number, because the mean of its divisors is an integer number (9447057900).

Almost surely, 2^121030303012 is an apocalyptic number.

It is an amenable number.

121030303012 is a deficient number, since it is larger than the sum of its proper divisors (105699086588).

121030303012 is a wasteful number, since it uses less digits than its factorization.

121030303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26991675 (or 26991673 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 121030303012 its reverse (210303030121), we get a palindrome (331333333133).

The spelling of 121030303012 in words is "one hundred twenty-one billion, thirty million, three hundred three thousand, twelve".