121100110002012 has 12 divisors (see below), whose sum is σ = 282566923338056. Its totient is φ = 40366703334000.

The previous prime is 121100110001993. The next prime is 121100110002121. The reversal of 121100110002012 is 210200011001121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 10091675833501 = 121100110002012 / (1 + 2 + 1 + 1 + 0 + 0 + 1 + 1 + 0 + 0 + 0 + 2 + 0 + 1 + 2).

It is a congruent number.

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, 5045837916739 + ... + 5045837916762.

Almost surely, 2^{121100110002012} is an apocalyptic number.

121100110002012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121100110002012 is an abundant number, since it is smaller than the sum of its proper divisors (161466813336044).

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

121100110002012 is a wasteful number, since it uses less digits than its factorization.

121100110002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091675833508 (or 10091675833506 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121100110002012 its reverse (210200011001121), we get a palindrome (331300121003133).

The spelling of 121100110002012 in words is "one hundred twenty-one trillion, one hundred billion, one hundred ten million, two thousand, twelve".