1012102100012 has 12 divisors (see below), whose sum is σ = 1791079559640. Its totient is φ = 500365082976.

The previous prime is 1012102100011. The next prime is 1012102100027. The reversal of 1012102100012 is 2100012012101.

It is a junction number, because it is equal to n+sod(n) for n = 1012102099966 and 1012102100002.

It is not an unprimeable number, because it can be changed into a prime (1012102100011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421491358 + ... + 1421492069.

It is an arithmetic number, because the mean of its divisors is an integer number (149256629970).

Almost surely, 2^{1012102100012} is an apocalyptic number.

It is an amenable number.

1012102100012 is a deficient number, since it is larger than the sum of its proper divisors (778977459628).

1012102100012 is a wasteful number, since it uses less digits than its factorization.

1012102100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842983520 (or 2842983518 counting only the distinct ones).

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

Adding to 1012102100012 its reverse (2100012012101), we get a palindrome (3112114112113).

The spelling of 1012102100012 in words is "one trillion, twelve billion, one hundred two million, one hundred thousand, twelve".