121321030000 has 50 divisors (see below), whose sum is σ = 293730369944. Its totient is φ = 48528408000.

The previous prime is 121321029959. The next prime is 121321030073. The reversal of 121321030000 is 30123121.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6056052 + ... + 6076051.

Almost surely, 2^121321030000 is an apocalyptic number.

121321030000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121321030000 is an abundant number, since it is smaller than the sum of its proper divisors (172409339944).

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

121321030000 is an equidigital number, since it uses as much as digits as its factorization.

121321030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12132131 (or 12132110 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 121321030000 its reverse (30123121), we get a palindrome (121351153121).

The spelling of 121321030000 in words is "one hundred twenty-one billion, three hundred twenty-one million, thirty thousand".