1012202221112 has 32 divisors (see below), whose sum is σ = 1960468894080. Its totient is φ = 489433313280.

The previous prime is 1012202221103. The next prime is 1012202221141. The reversal of 1012202221112 is 2111222022101.

It is a super-2 number, since 2×1012202221112² (a number of 25 digits) contains 22 as substring.

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, 1068713 + ... + 1779480.

It is an arithmetic number, because the mean of its divisors is an integer number (61264652940).

Almost surely, 2^{1012202221112} is an apocalyptic number.

It is an amenable number.

1012202221112 is a deficient number, since it is larger than the sum of its proper divisors (948266672968).

1012202221112 is a wasteful number, since it uses less digits than its factorization.

1012202221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849663 (or 2849659 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1012202221112 its reverse (2111222022101), we get a palindrome (3123424243213).

The spelling of 1012202221112 in words is "one trillion, twelve billion, two hundred two million, two hundred twenty-one thousand, one hundred twelve".