13122143340 has 48 divisors (see below), whose sum is σ = 36932407008. Its totient is φ = 3481104384.

The previous prime is 13122143317. The next prime is 13122143371. The reversal of 13122143340 is 4334122131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13122143340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555007 + ... + 578166.

It is an arithmetic number, because the mean of its divisors is an integer number (769425146).

Almost surely, 2^13122143340 is an apocalyptic number.

13122143340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13122143340 is an abundant number, since it is smaller than the sum of its proper divisors (23810263668).

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

13122143340 is a wasteful number, since it uses less digits than its factorization.

13122143340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133378 (or 1133376 counting only the distinct ones).

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

Adding to 13122143340 its reverse (4334122131), we get a palindrome (17456265471).

The spelling of 13122143340 in words is "thirteen billion, one hundred twenty-two million, one hundred forty-three thousand, three hundred forty".