121002101020012 has 24 divisors (see below), whose sum is σ = 224212572536400. Its totient is φ = 56941454807040.

The previous prime is 121002101019923. The next prime is 121002101020019. The reversal of 121002101020012 is 210020101200121.

It is a junction number, because it is equal to n+sod(n) for n = 121002101019974 and 121002101020001.

It is not an unprimeable number, because it can be changed into a prime (121002101020019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5588914 + ... + 16529977.

It is an arithmetic number, because the mean of its divisors is an integer number (9342190522350).

Almost surely, 2^{121002101020012} is an apocalyptic number.

It is an amenable number.

121002101020012 is a deficient number, since it is larger than the sum of its proper divisors (103210471516388).

121002101020012 is a wasteful number, since it uses less digits than its factorization.

121002101020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22199361 (or 22199359 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121002101020012 its reverse (210020101200121), we get a palindrome (331022202220133).

The spelling of 121002101020012 in words is "one hundred twenty-one trillion, two billion, one hundred one million, twenty thousand, twelve".