112012121210212 has 12 divisors (see below), whose sum is σ = 198502493284480. Its totient is φ = 55297123128936.

The previous prime is 112012121210189. The next prime is 112012121210221. The reversal of 112012121210212 is 212012121210211.

It is a happy number.

It is a super-2 number, since 2×112012121210212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112012121210212.

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, 177234368688 + ... + 177234369319.

Almost surely, 2^{112012121210212} is an apocalyptic number.

It is an amenable number.

112012121210212 is a deficient number, since it is larger than the sum of its proper divisors (86490372074268).

112012121210212 is a wasteful number, since it uses less digits than its factorization.

112012121210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354468738090 (or 354468738088 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112012121210212 its reverse (212012121210211), we get a palindrome (324024242420423).

Subtracting 112012121210212 from its reverse (212012121210211), we obtain a palindrome (99999999999999).

The spelling of 112012121210212 in words is "one hundred twelve trillion, twelve billion, one hundred twenty-one million, two hundred ten thousand, two hundred twelve".