121200300333112 has 128 divisors (see below), whose sum is σ = 305375419560960. Its totient is φ = 43551979269120.

The previous prime is 121200300333067. The next prime is 121200300333121. The reversal of 121200300333112 is 211333003002121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3210333 + ... + 15896755.

It is an arithmetic number, because the mean of its divisors is an integer number (2385745465320).

Almost surely, 2^{121200300333112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121200300333112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152687709780480).

121200300333112 is an abundant number, since it is smaller than the sum of its proper divisors (184175119227848).

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

121200300333112 is a wasteful number, since it uses less digits than its factorization.

121200300333112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12687653 (or 12687649 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121200300333112 its reverse (211333003002121), we get a palindrome (332533303335233).

The spelling of 121200300333112 in words is "one hundred twenty-one trillion, two hundred billion, three hundred million, three hundred thirty-three thousand, one hundred twelve".