112212202121012 has 24 divisors (see below), whose sum is σ = 225587225000256. Its totient is φ = 47841767889408.

The previous prime is 112212202121009. The next prime is 112212202121023. The reversal of 112212202121012 is 210121202212211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10382322698 + ... + 10382333505.

It is an arithmetic number, because the mean of its divisors is an integer number (9399467708344).

Almost surely, 2^{112212202121012} is an apocalyptic number.

It is an amenable number.

112212202121012 is an abundant number, since it is smaller than the sum of its proper divisors (113375022879244).

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

112212202121012 is a wasteful number, since it uses less digits than its factorization.

112212202121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20764656407 (or 20764656405 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112212202121012 its reverse (210121202212211), we get a palindrome (322333404333223).

The spelling of 112212202121012 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred two million, one hundred twenty-one thousand, twelve".