1320122132340 has 48 divisors (see below), whose sum is σ = 4032373060800. Its totient is φ = 320029607680.

The previous prime is 1320122132339. The next prime is 1320122132347. The reversal of 1320122132340 is 432312210231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320122132340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320122132347) 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, 1000091865 + ... + 1000093184.

It is an arithmetic number, because the mean of its divisors is an integer number (84007772100).

Almost surely, 2^{1320122132340} is an apocalyptic number.

1320122132340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320122132340 is an abundant number, since it is smaller than the sum of its proper divisors (2712250928460).

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

1320122132340 is a wasteful number, since it uses less digits than its factorization.

1320122132340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000185072 (or 2000185070 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1320122132340 its reverse (432312210231), we get a palindrome (1752434342571).

The spelling of 1320122132340 in words is "one trillion, three hundred twenty billion, one hundred twenty-two million, one hundred thirty-two thousand, three hundred forty".