1311211030000 has 100 divisors (see below), whose sum is σ = 3276979380928. Its totient is φ = 507565440000.

The previous prime is 1311211029983. The next prime is 1311211030043. The reversal of 1311211030000 is 301121131.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1804857 + ... + 2424856.

Almost surely, 2^{1311211030000} is an apocalyptic number.

1311211030000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311211030000 is an abundant number, since it is smaller than the sum of its proper divisors (1965768350928).

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

1311211030000 is an equidigital number, since it uses as much as digits as its factorization.

1311211030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229772 (or 4229751 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1311211030000 its reverse (301121131), we get a palindrome (1311512151131).

The spelling of 1311211030000 in words is "one trillion, three hundred eleven billion, two hundred eleven million, thirty thousand".