112121030020212 has 36 divisors (see below), whose sum is σ = 283427353312740. Its totient is φ = 37372317745152.

The previous prime is 112121030020201. The next prime is 112121030020289. The reversal of 112121030020212 is 212020030121211.

112121030020212 is a `hidden beast` number, since 1 + 12 + 121 + 0 + 300 + 20 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32929647726096 + 79191382294116 = 5738436^2 + 8898954^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×112121030020212² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55617933 + ... + 57598580.

It is an arithmetic number, because the mean of its divisors is an integer number (7872982036465).

Almost surely, 2^{112121030020212} is an apocalyptic number.

112121030020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112121030020212 is an abundant number, since it is smaller than the sum of its proper divisors (171306323292528).

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

112121030020212 is a wasteful number, since it uses less digits than its factorization.

112121030020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113244032 (or 113244027 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 112121030020212 its reverse (212020030121211), we get a palindrome (324141060141423).

The spelling of 112121030020212 in words is "one hundred twelve trillion, one hundred twenty-one billion, thirty million, twenty thousand, two hundred twelve".