121632611360433 has 4 divisors (see below), whose sum is σ = 162176815147248. Its totient is φ = 81088407573620.

The previous prime is 121632611360417. The next prime is 121632611360453. The reversal of 121632611360433 is 334063116236121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121632611360433 - 2⁴ = 121632611360417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121632611360453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20272101893403 + ... + 20272101893408.

It is an arithmetic number, because the mean of its divisors is an integer number (40544203786812).

Almost surely, 2^{121632611360433} is an apocalyptic number.

It is an amenable number.

121632611360433 is a deficient number, since it is larger than the sum of its proper divisors (40544203786815).

121632611360433 is an equidigital number, since it uses as much as digits as its factorization.

121632611360433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40544203786814.

The product of its (nonzero) digits is 279936, while the sum is 42.

Adding to 121632611360433 its reverse (334063116236121), we get a palindrome (455695727596554).

The spelling of 121632611360433 in words is "one hundred twenty-one trillion, six hundred thirty-two billion, six hundred eleven million, three hundred sixty thousand, four hundred thirty-three".