121012303012 has 24 divisors (see below), whose sum is σ = 213330084800. Its totient is φ = 60060993696.

The previous prime is 121012302991. The next prime is 121012303031. The reversal of 121012303012 is 210303210121.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4316713 + ... + 4344655.

Almost surely, 2^121012303012 is an apocalyptic number.

It is an amenable number.

121012303012 is a deficient number, since it is larger than the sum of its proper divisors (92317781788).

121012303012 is a wasteful number, since it uses less digits than its factorization.

121012303012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35875 (or 35873 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121012303012 its reverse (210303210121), we get a palindrome (331315513133).

The spelling of 121012303012 in words is "one hundred twenty-one billion, twelve million, three hundred three thousand, twelve".