121112011302012 has 36 divisors (see below), whose sum is σ = 306190503735480. Its totient is φ = 40364571144672.

The previous prime is 121112011301999. The next prime is 121112011302019. The reversal of 121112011302012 is 210203110211121.

It is a happy number.

121112011302012 is a `hidden beast` number, since 1 + 211 + 120 + 1 + 130 + 201 + 2 = 666.

121112011302012 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112011302019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253895463 + ... + 254372030.

It is an arithmetic number, because the mean of its divisors is an integer number (8505291770430).

Almost surely, 2^{121112011302012} is an apocalyptic number.

121112011302012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121112011302012 is an abundant number, since it is smaller than the sum of its proper divisors (185078492433468).

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

121112011302012 is a wasteful number, since it uses less digits than its factorization.

121112011302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508274122 (or 508274117 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 121112011302012 its reverse (210203110211121), we get a palindrome (331315121513133).

The spelling of 121112011302012 in words is "one hundred twenty-one trillion, one hundred twelve billion, eleven million, three hundred two thousand, twelve".