121123330000 has 50 divisors (see below), whose sum is σ = 293251718474. Its totient is φ = 48449328000.

The previous prime is 121123329989. The next prime is 121123330019. The reversal of 121123330000 is 33321121.

It can be written as a sum of positive squares in 5 ways, for example, as 48996707904 + 72126622096 = 221352^2 + 268564^2 .

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

It is a super-2 number, since 2×121123330000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 6046167 + ... + 6066166.

Almost surely, 2^121123330000 is an apocalyptic number.

121123330000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121123330000 is an abundant number, since it is smaller than the sum of its proper divisors (172128388474).

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

121123330000 is an equidigital number, since it uses as much as digits as its factorization.

121123330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12112361 (or 12112340 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 121123330000 its reverse (33321121), we get a palindrome (121156651121).

The spelling of 121123330000 in words is "one hundred twenty-one billion, one hundred twenty-three million, three hundred thirty thousand".