1012210111012 has 24 divisors (see below), whose sum is σ = 1877559075000. Its totient is φ = 475827939840.

The previous prime is 1012210110983. The next prime is 1012210111039. The reversal of 1012210111012 is 2101110122101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 385968957696 + 626241153316 = 621264^2 + 791354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1012210110983 and 1012210111001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7845387 + ... + 7973362.

It is an arithmetic number, because the mean of its divisors is an integer number (78231628125).

Almost surely, 2^{1012210111012} is an apocalyptic number.

It is an amenable number.

1012210111012 is a deficient number, since it is larger than the sum of its proper divisors (865348963988).

1012210111012 is a wasteful number, since it uses less digits than its factorization.

1012210111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15819711 (or 15819709 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1012210111012 its reverse (2101110122101), we get a palindrome (3113320233113).

The spelling of 1012210111012 in words is "one trillion, twelve billion, two hundred ten million, one hundred eleven thousand, twelve".