13144342454212 has 12 divisors (see below), whose sum is σ = 23067762468156. Its totient is φ = 6553553177600.

The previous prime is 13144342454137. The next prime is 13144342454261. The reversal of 13144342454212 is 21245424344131.

It can be written as a sum of positive squares in 2 ways, for example, as 4505116620676 + 8639225833536 = 2122526^2 + 2939256^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4654510789 + ... + 4654513612.

It is an arithmetic number, because the mean of its divisors is an integer number (1922313539013).

Almost surely, 2^{13144342454212} is an apocalyptic number.

It is an amenable number.

13144342454212 is a deficient number, since it is larger than the sum of its proper divisors (9923420013944).

13144342454212 is a wasteful number, since it uses less digits than its factorization.

13144342454212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9309024758 (or 9309024756 counting only the distinct ones).

The product of its digits is 368640, while the sum is 40.

Adding to 13144342454212 its reverse (21245424344131), we get a palindrome (34389766798343).

The spelling of 13144342454212 in words is "thirteen trillion, one hundred forty-four billion, three hundred forty-two million, four hundred fifty-four thousand, two hundred twelve".