121301630164 has 96 divisors (see below), whose sum is σ = 253411554816. Its totient is φ = 50076766080.

The previous prime is 121301630123. The next prime is 121301630173. The reversal of 121301630164 is 461036103121.

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, 49168459 + ... + 49170925.

It is an arithmetic number, because the mean of its divisors is an integer number (2639703696).

Almost surely, 2^121301630164 is an apocalyptic number.

It is an amenable number.

121301630164 is an abundant number, since it is smaller than the sum of its proper divisors (132109924652).

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

121301630164 is a wasteful number, since it uses less digits than its factorization.

121301630164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845 (or 3843 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 121301630164 its reverse (461036103121), we get a palindrome (582337733285).

The spelling of 121301630164 in words is "one hundred twenty-one billion, three hundred one million, six hundred thirty thousand, one hundred sixty-four".