121101212112012 has 36 divisors (see below), whose sum is σ = 333945766734216. Its totient is φ = 36697337003520.

The previous prime is 121101212111977. The next prime is 121101212112029. The reversal of 121101212112012 is 210211212101121.

It is a happy number.

121101212112012 is a `hidden beast` number, since 121 + 10 + 121 + 211 + 201 + 2 = 666.

121101212112012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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

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, 152905570453 + ... + 152905571244.

Almost surely, 2^{121101212112012} is an apocalyptic number.

121101212112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121101212112012 is an abundant number, since it is smaller than the sum of its proper divisors (212844554622204).

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

121101212112012 is a wasteful number, since it uses less digits than its factorization.

121101212112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305811141718 (or 305811141713 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 121101212112012 its reverse (210211212101121), we get a palindrome (331312424213133).

The spelling of 121101212112012 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred twelve million, one hundred twelve thousand, twelve".