121217711592768 has 224 divisors, whose sum is σ = 396020824416000. Its totient is φ = 32596359118848.

The previous prime is 121217711592749. The next prime is 121217711592799. The reversal of 121217711592768 is 867295117712121.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53017153 + ... + 55256256.

It is an arithmetic number, because the mean of its divisors is an integer number (1767950109000).

Almost surely, 2^{121217711592768} is an apocalyptic number.

It is an amenable number.

121217711592768 is an abundant number, since it is smaller than the sum of its proper divisors (274803112823232).

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

121217711592768 is a wasteful number, since it uses less digits than its factorization.

121217711592768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108273462 (or 108273438 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 60.

The spelling of 121217711592768 in words is "one hundred twenty-one trillion, two hundred seventeen billion, seven hundred eleven million, five hundred ninety-two thousand, seven hundred sixty-eight".