121012307722 has 16 divisors (see below), whose sum is σ = 184962286080. Its totient is φ = 59368991472.

The previous prime is 121012307687. The next prime is 121012307723. The reversal of 121012307722 is 227703210121.

It is not an unprimeable number, because it can be changed into a prime (121012307723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2672218 + ... + 2717125.

It is an arithmetic number, because the mean of its divisors is an integer number (11560142880).

Almost surely, 2^121012307722 is an apocalyptic number.

121012307722 is a deficient number, since it is larger than the sum of its proper divisors (63949978358).

121012307722 is a wasteful number, since it uses less digits than its factorization.

121012307722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389557.

The product of its (nonzero) digits is 2352, while the sum is 28.

Adding to 121012307722 its reverse (227703210121), we get a palindrome (348715517843).

The spelling of 121012307722 in words is "one hundred twenty-one billion, twelve million, three hundred seven thousand, seven hundred twenty-two".