121001120100012 has 48 divisors (see below), whose sum is σ = 282379097427840. Its totient is φ = 40327542915072.

The previous prime is 121001120099971. The next prime is 121001120100031. The reversal of 121001120100012 is 210001021100121.

121001120100012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3069594439 + ... + 3069633857.

It is an arithmetic number, because the mean of its divisors is an integer number (5882897863080).

Almost surely, 2^{121001120100012} is an apocalyptic number.

121001120100012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121001120100012 is an abundant number, since it is smaller than the sum of its proper divisors (161377977327828).

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

121001120100012 is a wasteful number, since it uses less digits than its factorization.

121001120100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72030 (or 72028 counting only the distinct ones).

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

Adding to 121001120100012 its reverse (210001021100121), we get a palindrome (331002141200133).

The spelling of 121001120100012 in words is "one hundred twenty-one trillion, one billion, one hundred twenty million, one hundred thousand, twelve".