1012221110012 has 24 divisors (see below), whose sum is σ = 2143527057504. Its totient is φ = 408290867712.

The previous prime is 1012221109993. The next prime is 1012221110053. The reversal of 1012221110012 is 2100111222101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1063256993 + ... + 1063257944.

It is an arithmetic number, because the mean of its divisors is an integer number (89313627396).

Almost surely, 2^{1012221110012} is an apocalyptic number.

It is an amenable number.

1012221110012 is an abundant number, since it is smaller than the sum of its proper divisors (1131305947492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012221110012 is a wasteful number, since it uses less digits than its factorization.

1012221110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126514965 (or 2126514963 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012221110012 its reverse (2100111222101), we get a palindrome (3112332332113).

The spelling of 1012221110012 in words is "one trillion, twelve billion, two hundred twenty-one million, one hundred ten thousand, twelve".