1311450212620 has 12 divisors (see below), whose sum is σ = 2754045446544. Its totient is φ = 524580085040.

The previous prime is 1311450212609. The next prime is 1311450212627. The reversal of 1311450212620 is 262120541131.

It is not an unprimeable number, because it can be changed into a prime (1311450212627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32786255296 + ... + 32786255335.

It is an arithmetic number, because the mean of its divisors is an integer number (229503787212).

Almost surely, 2^{1311450212620} is an apocalyptic number.

1311450212620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311450212620 is an abundant number, since it is smaller than the sum of its proper divisors (1442595233924).

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

1311450212620 is a wasteful number, since it uses less digits than its factorization.

1311450212620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65572510640 (or 65572510638 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 1311450212620 its reverse (262120541131), we get a palindrome (1573570753751).

The spelling of 1311450212620 in words is "one trillion, three hundred eleven billion, four hundred fifty million, two hundred twelve thousand, six hundred twenty".