121041233012 has 48 divisors (see below), whose sum is σ = 248916501120. Its totient is φ = 50413663872.

The previous prime is 121041232999. The next prime is 121041233017. The reversal of 121041233012 is 210332140121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121041233017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821918 + ... + 957930.

It is an arithmetic number, because the mean of its divisors is an integer number (5185760440).

Almost surely, 2^121041233012 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 121041233012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124458250560).

121041233012 is an abundant number, since it is smaller than the sum of its proper divisors (127875268108).

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

121041233012 is a wasteful number, since it uses less digits than its factorization.

121041233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136920 (or 136918 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121041233012 its reverse (210332140121), we get a palindrome (331373373133).

The spelling of 121041233012 in words is "one hundred twenty-one billion, forty-one million, two hundred thirty-three thousand, twelve".