121101201000012 has 24 divisors (see below), whose sum is σ = 286440283645936. Its totient is φ = 39814093479168.

The previous prime is 121101200999929. The next prime is 121101201000053. The reversal of 121101201000012 is 210000102101121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69121689193 + ... + 69121690944.

Almost surely, 2^{121101201000012} is an apocalyptic number.

121101201000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121101201000012 is an abundant number, since it is smaller than the sum of its proper divisors (165339082645924).

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

121101201000012 is a wasteful number, since it uses less digits than its factorization.

121101201000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138243380217 (or 138243380215 counting only the distinct ones).

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

Adding to 121101201000012 its reverse (210000102101121), we get a palindrome (331101303101133).

The spelling of 121101201000012 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred one million, twelve", and thus it is an aban number.