121614220536464 has 80 divisors (see below), whose sum is σ = 246686258211840. Its totient is φ = 58009237440000.

The previous prime is 121614220536443. The next prime is 121614220536467. The reversal of 121614220536464 is 464635022416121.

It is not an unprimeable number, because it can be changed into a prime (121614220536467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275485514 + ... + 275926614.

It is an arithmetic number, because the mean of its divisors is an integer number (3083578227648).

Almost surely, 2^{121614220536464} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121614220536464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123343129105920).

121614220536464 is an abundant number, since it is smaller than the sum of its proper divisors (125072037675376).

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

121614220536464 is a wasteful number, since it uses less digits than its factorization.

121614220536464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449040 (or 449034 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 121614220536464 in words is "one hundred twenty-one trillion, six hundred fourteen billion, two hundred twenty million, five hundred thirty-six thousand, four hundred sixty-four".