121211200068 has 48 divisors (see below), whose sum is σ = 323562968064. Its totient is φ = 34596082080.

The previous prime is 121211200051. The next prime is 121211200069. The reversal of 121211200068 is 860002112121.

It is not an unprimeable number, because it can be changed into a prime (121211200069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661480 + ... + 824607.

It is an arithmetic number, because the mean of its divisors is an integer number (6740895168).

Almost surely, 2^121211200068 is an apocalyptic number.

It is an amenable number.

121211200068 is an abundant number, since it is smaller than the sum of its proper divisors (202351767996).

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

121211200068 is a wasteful number, since it uses less digits than its factorization.

121211200068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487072 (or 1487070 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 121211200068 its reverse (860002112121), we get a palindrome (981213312189).

The spelling of 121211200068 in words is "one hundred twenty-one billion, two hundred eleven million, two hundred thousand, sixty-eight".