1303211221112 has 32 divisors (see below), whose sum is σ = 2450743257600. Its totient is φ = 649680858624.

The previous prime is 1303211221093. The next prime is 1303211221127. The reversal of 1303211221112 is 2111221123031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9025388 + ... + 9168644.

It is an arithmetic number, because the mean of its divisors is an integer number (76585726800).

Almost surely, 2^{1303211221112} is an apocalyptic number.

It is an amenable number.

1303211221112 is a deficient number, since it is larger than the sum of its proper divisors (1147532036488).

1303211221112 is a wasteful number, since it uses less digits than its factorization.

1303211221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146615 (or 146611 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1303211221112 its reverse (2111221123031), we get a palindrome (3414432344143).

The spelling of 1303211221112 in words is "one trillion, three hundred three billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twelve".