1340321403122 has 128 divisors (see below), whose sum is σ = 2369363996160. Its totient is φ = 563497482240.

The previous prime is 1340321403107. The next prime is 1340321403137. The reversal of 1340321403122 is 2213041230431.

It is an interprime number because it is at equal distance from previous prime (1340321403107) and next prime (1340321403137).

It is a super-2 number, since 2×1340321403122² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1340321403091 and 1340321403100.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 387262472 + ... + 387265932.

It is an arithmetic number, because the mean of its divisors is an integer number (18510656220).

Almost surely, 2^{1340321403122} is an apocalyptic number.

1340321403122 is a deficient number, since it is larger than the sum of its proper divisors (1029042593038).

1340321403122 is a wasteful number, since it uses less digits than its factorization.

1340321403122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1340321403122 its reverse (2213041230431), we get a palindrome (3553362633553).

The spelling of 1340321403122 in words is "one trillion, three hundred forty billion, three hundred twenty-one million, four hundred three thousand, one hundred twenty-two".