121022122012 has 12 divisors (see below), whose sum is σ = 231042233016. Its totient is φ = 55010055440.

The previous prime is 121022121977. The next prime is 121022122061. The reversal of 121022122012 is 210221220121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1375251343 + ... + 1375251430.

It is an arithmetic number, because the mean of its divisors is an integer number (19253519418).

Almost surely, 2^121022122012 is an apocalyptic number.

It is an amenable number.

121022122012 is a deficient number, since it is larger than the sum of its proper divisors (110020111004).

121022122012 is a wasteful number, since it uses less digits than its factorization.

121022122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750502788 (or 2750502786 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121022122012 its reverse (210221220121), we get a palindrome (331243342133).

The spelling of 121022122012 in words is "one hundred twenty-one billion, twenty-two million, one hundred twenty-two thousand, twelve".