121131232022012 has 18 divisors (see below), whose sum is σ = 217863678641112. Its totient is φ = 58928707467504.

The previous prime is 121131232021997. The next prime is 121131232022063. The reversal of 121131232022012 is 210220232131121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11060187368 + ... + 11060198319.

It is an arithmetic number, because the mean of its divisors is an integer number (12103537702284).

Almost surely, 2^{121131232022012} is an apocalyptic number.

It is an amenable number.

121131232022012 is a deficient number, since it is larger than the sum of its proper divisors (96732446619100).

121131232022012 is a wasteful number, since it uses less digits than its factorization.

121131232022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22120385765 (or 22120385726 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121131232022012 its reverse (210220232131121), we get a palindrome (331351464153133).

The spelling of 121131232022012 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, two hundred thirty-two million, twenty-two thousand, twelve".