121232430003440 has 60 divisors (see below), whose sum is σ = 327884240545416. Its totient is φ = 41565404571264.

The previous prime is 121232430003431. The next prime is 121232430003611. The reversal of 121232430003440 is 44300034232121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15463316234 + ... + 15463324073.

Almost surely, 2^{121232430003440} is an apocalyptic number.

121232430003440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121232430003440 is an abundant number, since it is smaller than the sum of its proper divisors (206651810541976).

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

121232430003440 is a wasteful number, since it uses less digits than its factorization.

121232430003440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30926640334 (or 30926640321 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 121232430003440 its reverse (44300034232121), we get a palindrome (165532464235561).

The spelling of 121232430003440 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, four hundred thirty million, three thousand, four hundred forty".