121334333140 has 24 divisors (see below), whose sum is σ = 254875068000. Its totient is φ = 48519834528.

The previous prime is 121334333123. The next prime is 121334333143. The reversal of 121334333140 is 41333433121.

It is a junction number, because it is equal to n+sod(n) for n = 121334333099 and 121334333108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121334333143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796942 + ... + 936901.

It is an arithmetic number, because the mean of its divisors is an integer number (10619794500).

Almost surely, 2^121334333140 is an apocalyptic number.

121334333140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121334333140 is an abundant number, since it is smaller than the sum of its proper divisors (133540734860).

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

121334333140 is a wasteful number, since it uses less digits than its factorization.

121334333140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737351 (or 1737349 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 121334333140 its reverse (41333433121), we get a palindrome (162667766261).

The spelling of 121334333140 in words is "one hundred twenty-one billion, three hundred thirty-four million, three hundred thirty-three thousand, one hundred forty".