121413411440 has 40 divisors (see below), whose sum is σ = 292020193440. Its totient is φ = 46890695936.

The previous prime is 121413411421. The next prime is 121413411451. The reversal of 121413411440 is 44114314121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 26164364 + ... + 26169003.

It is an arithmetic number, because the mean of its divisors is an integer number (7300504836).

Almost surely, 2^121413411440 is an apocalyptic number.

121413411440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121413411440 is an abundant number, since it is smaller than the sum of its proper divisors (170606782000).

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

121413411440 is a wasteful number, since it uses less digits than its factorization.

121413411440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52333409 (or 52333403 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 121413411440 its reverse (44114314121), we get a palindrome (165527725561).

The spelling of 121413411440 in words is "one hundred twenty-one billion, four hundred thirteen million, four hundred eleven thousand, four hundred forty".