121230230012 has 12 divisors (see below), whose sum is σ = 216666794400. Its totient is φ = 59325431616.

The previous prime is 121230230003. The next prime is 121230230021. The reversal of 121230230012 is 210032032121.

It is an interprime number because it is at equal distance from previous prime (121230230003) and next prime (121230230021).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 322420637 + ... + 322421012.

It is an arithmetic number, because the mean of its divisors is an integer number (18055566200).

Almost surely, 2^121230230012 is an apocalyptic number.

It is an amenable number.

121230230012 is a deficient number, since it is larger than the sum of its proper divisors (95436564388).

121230230012 is a wasteful number, since it uses less digits than its factorization.

121230230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644841700 (or 644841698 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121230230012 its reverse (210032032121), we get a palindrome (331262262133).

The spelling of 121230230012 in words is "one hundred twenty-one billion, two hundred thirty million, two hundred thirty thousand, twelve".