121233331000 has 64 divisors (see below), whose sum is σ = 283768673760. Its totient is φ = 48479200000.

The previous prime is 121233330991. The next prime is 121233331001. The reversal of 121233331000 is 133332121.

It is a super-2 number, since 2×121233331000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121233331001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3835260 + ... + 3866740.

Almost surely, 2^121233331000 is an apocalyptic number.

121233331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121233331000 is an abundant number, since it is smaller than the sum of its proper divisors (162535342760).

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

121233331000 is a wasteful number, since it uses less digits than its factorization.

121233331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35353 (or 35339 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 121233331000 its reverse (133332121), we get a palindrome (121366663121).

The spelling of 121233331000 in words is "one hundred twenty-one billion, two hundred thirty-three million, three hundred thirty-one thousand".