121012311321112 has 16 divisors (see below), whose sum is σ = 229770211370400. Its totient is φ = 59740254955680.

The previous prime is 121012311321107. The next prime is 121012311321193. The reversal of 121012311321112 is 211123113210121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95737587439 + ... + 95737588702.

It is an arithmetic number, because the mean of its divisors is an integer number (14360638210650).

Almost surely, 2^{121012311321112} is an apocalyptic number.

It is an amenable number.

121012311321112 is a deficient number, since it is larger than the sum of its proper divisors (108757900049288).

121012311321112 is a wasteful number, since it uses less digits than its factorization.

121012311321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191475176226 (or 191475176222 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 121012311321112 its reverse (211123113210121), we get a palindrome (332135424531233).

The spelling of 121012311321112 in words is "one hundred twenty-one trillion, twelve billion, three hundred eleven million, three hundred twenty-one thousand, one hundred twelve".