121430231012 has 12 divisors (see below), whose sum is σ = 212505444480. Its totient is φ = 60714389736.

The previous prime is 121430230981. The next prime is 121430231051. The reversal of 121430231012 is 210132034121.

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, 407189 + ... + 639267.

It is an arithmetic number, because the mean of its divisors is an integer number (17708787040).

Almost surely, 2^121430231012 is an apocalyptic number.

It is an amenable number.

121430231012 is a deficient number, since it is larger than the sum of its proper divisors (91075213468).

121430231012 is a wasteful number, since it uses less digits than its factorization.

121430231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362890 (or 362888 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121430231012 its reverse (210132034121), we get a palindrome (331562265133).

The spelling of 121430231012 in words is "one hundred twenty-one billion, four hundred thirty million, two hundred thirty-one thousand, twelve".