10121000120012 has 12 divisors (see below), whose sum is σ = 18753617869560. Its totient is φ = 4762823585856.

The previous prime is 10121000119957. The next prime is 10121000120027. The reversal of 10121000120012 is 21002100012101.

It is a junction number, because it is equal to n+sod(n) for n = 10121000119975 and 10121000120002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74419118462 + ... + 74419118597.

It is an arithmetic number, because the mean of its divisors is an integer number (1562801489130).

Almost surely, 2^{10121000120012} is an apocalyptic number.

It is an amenable number.

10121000120012 is a deficient number, since it is larger than the sum of its proper divisors (8632617749548).

10121000120012 is a wasteful number, since it uses less digits than its factorization.

10121000120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148838237080 (or 148838237078 counting only the distinct ones).

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

Adding to 10121000120012 its reverse (21002100012101), we get a palindrome (31123100132113).

The spelling of 10121000120012 in words is "ten trillion, one hundred twenty-one billion, one hundred twenty thousand, twelve".