100121110000012 has 96 divisors (see below), whose sum is σ = 180086969986560. Its totient is φ = 48694930636800.

The previous prime is 100121109999949. The next prime is 100121110000133. The reversal of 100121110000012 is 210000011121001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2372011164 + ... + 2372053372.

It is an arithmetic number, because the mean of its divisors is an integer number (1875905937360).

Almost surely, 2^{100121110000012} is an apocalyptic number.

It is an amenable number.

100121110000012 is a deficient number, since it is larger than the sum of its proper divisors (79965859986548).

100121110000012 is a wasteful number, since it uses less digits than its factorization.

100121110000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42883 (or 42881 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100121110000012 its reverse (210000011121001), we get a palindrome (310121121121013).

The spelling of 100121110000012 in words is "one hundred trillion, one hundred twenty-one billion, one hundred ten million, twelve", and thus it is an aban number.