121004213632 has 32 divisors (see below), whose sum is σ = 241191990720. Its totient is φ = 60469753344.

The previous prime is 121004213593. The next prime is 121004213651. The reversal of 121004213632 is 236312400121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 121004213597 and 121004213606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11568 + ... + 492079.

It is an arithmetic number, because the mean of its divisors is an integer number (7537249710).

Almost surely, 2^121004213632 is an apocalyptic number.

It is an amenable number.

121004213632 is a deficient number, since it is larger than the sum of its proper divisors (120187777088).

121004213632 is an equidigital number, since it uses as much as digits as its factorization.

121004213632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505538 (or 505526 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 121004213632 its reverse (236312400121), we get a palindrome (357316613753).

The spelling of 121004213632 in words is "one hundred twenty-one billion, four million, two hundred thirteen thousand, six hundred thirty-two".