1341231211320 has 512 divisors, whose sum is σ = 5410749818880. Its totient is φ = 256863559680.

The previous prime is 1341231211303. The next prime is 1341231211343. The reversal of 1341231211320 is 231121321431.

It is a super-2 number, since 2×1341231211320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 81312994 + ... + 81329486.

It is an arithmetic number, because the mean of its divisors is an integer number (10567870740).

Almost surely, 2^{1341231211320} is an apocalyptic number.

1341231211320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1341231211320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2705374909440).

1341231211320 is an abundant number, since it is smaller than the sum of its proper divisors (4069518607560).

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

1341231211320 is a wasteful number, since it uses less digits than its factorization.

1341231211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17215 (or 17211 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1341231211320 its reverse (231121321431), we get a palindrome (1572352532751).

It can be divided in two parts, 1341231 and 211320, that added together give a palindrome (1552551).

The spelling of 1341231211320 in words is "one trillion, three hundred forty-one billion, two hundred thirty-one million, two hundred eleven thousand, three hundred twenty".