13142340155012 has 6 divisors (see below), whose sum is σ = 22999095271278. Its totient is φ = 6571170077504.

The previous prime is 13142340154969. The next prime is 13142340155017. The reversal of 13142340155012 is 21055104324131.

It can be written as a sum of positive squares in only one way, i.e., 7572051013696 + 5570289141316 = 2751736^2 + 2360146^2 .

It is a super-2 number, since 2×13142340155012² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13142340155012.

It is not an unprimeable number, because it can be changed into a prime (13142340155017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642792519373 + ... + 1642792519380.

It is an arithmetic number, because the mean of its divisors is an integer number (3833182545213).

Almost surely, 2^{13142340155012} is an apocalyptic number.

It is an amenable number.

13142340155012 is a deficient number, since it is larger than the sum of its proper divisors (9856755116266).

13142340155012 is a wasteful number, since it uses less digits than its factorization.

13142340155012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285585038757 (or 3285585038755 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 13142340155012 its reverse (21055104324131), we get a palindrome (34197444479143).

The spelling of 13142340155012 in words is "thirteen trillion, one hundred forty-two billion, three hundred forty million, one hundred fifty-five thousand, twelve".