1301320211312 has 80 divisors (see below), whose sum is σ = 2828567174400. Its totient is φ = 574949675520.

The previous prime is 1301320211311. The next prime is 1301320211339. The reversal of 1301320211312 is 2131120231031.

It is a happy number.

It is a super-2 number, since 2×1301320211312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301320211311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220133 + ... + 1628219.

It is an arithmetic number, because the mean of its divisors is an integer number (35357089680).

Almost surely, 2^{1301320211312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301320211312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414283587200).

1301320211312 is an abundant number, since it is smaller than the sum of its proper divisors (1527246963088).

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

1301320211312 is a wasteful number, since it uses less digits than its factorization.

1301320211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408254 (or 1408248 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1301320211312 its reverse (2131120231031), we get a palindrome (3432440442343).

The spelling of 1301320211312 in words is "one trillion, three hundred one billion, three hundred twenty million, two hundred eleven thousand, three hundred twelve".