12101020001012 has 24 divisors (see below), whose sum is σ = 21412672387680. Its totient is φ = 5983478897760.

The previous prime is 12101020000987. The next prime is 12101020001041. The reversal of 12101020001012 is 21010002010121.

It is a junction number, because it is equal to n+sod(n) for n = 12101020000984 and 12101020001002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45528962 + ... + 45793977.

It is an arithmetic number, because the mean of its divisors is an integer number (892194682820).

Almost surely, 2^{12101020001012} is an apocalyptic number.

It is an amenable number.

12101020001012 is a deficient number, since it is larger than the sum of its proper divisors (9311652386668).

12101020001012 is a wasteful number, since it uses less digits than its factorization.

12101020001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91323311 (or 91323309 counting only the distinct ones).

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

Adding to 12101020001012 its reverse (21010002010121), we get a palindrome (33111022011133).

The spelling of 12101020001012 in words is "twelve trillion, one hundred one billion, twenty million, one thousand, twelve".