1012000221112 has 8 divisors (see below), whose sum is σ = 1897500414600. Its totient is φ = 506000110552.

The previous prime is 1012000221101. The next prime is 1012000221131. The reversal of 1012000221112 is 2111220002101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1012000221092 and 1012000221101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63250013812 + ... + 63250013827.

It is an arithmetic number, because the mean of its divisors is an integer number (237187551825).

Almost surely, 2^{1012000221112} is an apocalyptic number.

It is an amenable number.

1012000221112 is a deficient number, since it is larger than the sum of its proper divisors (885500193488).

1012000221112 is a wasteful number, since it uses less digits than its factorization.

1012000221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126500027645 (or 126500027641 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1012000221112 its reverse (2111220002101), we get a palindrome (3123220223213).

The spelling of 1012000221112 in words is "one trillion, twelve billion, two hundred twenty-one thousand, one hundred twelve".