121312010333300 has 72 divisors (see below), whose sum is σ = 267233147338080. Its totient is φ = 47790351100800.

The previous prime is 121312010333257. The next prime is 121312010333323. The reversal of 121312010333300 is 3333010213121.

It is a super-2 number, since 2×121312010333300² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29499806 + ... + 33359594.

Almost surely, 2^{121312010333300} is an apocalyptic number.

121312010333300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121312010333300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133616573669040).

121312010333300 is an abundant number, since it is smaller than the sum of its proper divisors (145921137004780).

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

121312010333300 is a wasteful number, since it uses less digits than its factorization.

121312010333300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864561 (or 3864554 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 121312010333300 its reverse (3333010213121), we get a palindrome (124645020546421).

The spelling of 121312010333300 in words is "one hundred twenty-one trillion, three hundred twelve billion, ten million, three hundred thirty-three thousand, three hundred".