1303211133012 has 24 divisors (see below), whose sum is σ = 3046871370816. Its totient is φ = 433540083328.

The previous prime is 1303211133001. The next prime is 1303211133023. The reversal of 1303211133012 is 2103311123031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1303211133001) and next prime (1303211133023).

It is a self number, because there is not a number n which added to its sum of digits gives 1303211133012.

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, 107947173 + ... + 107959244.

It is an arithmetic number, because the mean of its divisors is an integer number (126952973784).

Almost surely, 2^{1303211133012} is an apocalyptic number.

1303211133012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1303211133012 is an abundant number, since it is smaller than the sum of its proper divisors (1743660237804).

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

1303211133012 is a wasteful number, since it uses less digits than its factorization.

1303211133012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215906927 (or 215906925 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1303211133012 its reverse (2103311123031), we get a palindrome (3406522256043).

The spelling of 1303211133012 in words is "one trillion, three hundred three billion, two hundred eleven million, one hundred thirty-three thousand, twelve".