121301012 has 12 divisors (see below), whose sum is σ = 242602080. Its totient is φ = 51986136.

The previous prime is 121301003. The next prime is 121301023. The reversal of 121301012 is 210103121.

121301012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 121300984 and 121301002.

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 3 ways as a sum of consecutive naturals, for example, 2166062 + ... + 2166117.

It is an arithmetic number, because the mean of its divisors is an integer number (20216840).

Almost surely, 2^121301012 is an apocalyptic number.

It is an amenable number.

121301012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121301012 is a wasteful number, since it uses less digits than its factorization.

121301012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332190 (or 4332188 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 121301012 is about 11013.6738647919. The cubic root of 121301012 is about 495.0185511532.

Adding to 121301012 its reverse (210103121), we get a palindrome (331404133).

The spelling of 121301012 in words is "one hundred twenty-one million, three hundred one thousand, twelve".