121614220536465 has 16 divisors (see below), whose sum is σ = 194604016628736. Its totient is φ = 64853829696000.

The previous prime is 121614220536443. The next prime is 121614220536467. The reversal of 121614220536465 is 564635022416121.

It is not a de Polignac number, because 121614220536465 - 2⁷ = 121614220536337 is a prime.

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, 442853376 + ... + 443127905.

It is an arithmetic number, because the mean of its divisors is an integer number (12162751039296).

Almost surely, 2^{121614220536465} is an apocalyptic number.

121614220536465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121614220536465 is a deficient number, since it is larger than the sum of its proper divisors (72989796092271).

121614220536465 is an equidigital number, since it uses as much as digits as its factorization.

121614220536465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885990440.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 121614220536465 in words is "one hundred twenty-one trillion, six hundred fourteen billion, two hundred twenty million, five hundred thirty-six thousand, four hundred sixty-five".