121341434460 has 24 divisors (see below), whose sum is σ = 339756016656. Its totient is φ = 32357715840.

The previous prime is 121341434381. The next prime is 121341434483. The reversal of 121341434460 is 64434143121.

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, 1011178561 + ... + 1011178680.

It is an arithmetic number, because the mean of its divisors is an integer number (14156500694).

Almost surely, 2^121341434460 is an apocalyptic number.

121341434460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121341434460 is an abundant number, since it is smaller than the sum of its proper divisors (218414582196).

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

121341434460 is a wasteful number, since it uses less digits than its factorization.

121341434460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022357253 (or 2022357251 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 121341434460 its reverse (64434143121), we get a palindrome (185775577581).

The spelling of 121341434460 in words is "one hundred twenty-one billion, three hundred forty-one million, four hundred thirty-four thousand, four hundred sixty".