121210068 has 72 divisors (see below), whose sum is σ = 343427392. Its totient is φ = 32587776.

The previous prime is 121210049. The next prime is 121210081. The reversal of 121210068 is 860012121.

It is a super-4 number, since 4×121210068⁴ (a number of 33 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21780 + ... + 26772.

Almost surely, 2^121210068 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 121210068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171713696).

121210068 is an abundant number, since it is smaller than the sum of its proper divisors (222217324).

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

121210068 is a wasteful number, since it uses less digits than its factorization.

121210068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041 (or 5022 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 121210068 is about 11009.5444047426. The cubic root of 121210068 is about 494.8948087873.

Adding to 121210068 its reverse (860012121), we get a palindrome (981222189).

The spelling of 121210068 in words is "one hundred twenty-one million, two hundred ten thousand, sixty-eight".