121002001100012 has 6 divisors (see below), whose sum is σ = 211753501925028. Its totient is φ = 60501000550004.

The previous prime is 121002001099981. The next prime is 121002001100023. The reversal of 121002001100012 is 210001100200121.

It is a junction number, because it is equal to n+sod(n) for n = 121002001099966 and 121002001100002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15125250137498 + ... + 15125250137505.

It is an arithmetic number, because the mean of its divisors is an integer number (35292250320838).

Almost surely, 2^{121002001100012} is an apocalyptic number.

It is an amenable number.

121002001100012 is a deficient number, since it is larger than the sum of its proper divisors (90751500825016).

121002001100012 is a wasteful number, since it uses less digits than its factorization.

121002001100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30250500275007 (or 30250500275005 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121002001100012 its reverse (210001100200121), we get a palindrome (331003101300133).

The spelling of 121002001100012 in words is "one hundred twenty-one trillion, two billion, one million, one hundred thousand, twelve".