13212145244454 has 64 divisors (see below), whose sum is σ = 29487847435200. Its totient is φ = 3918474104832.

The previous prime is 13212145244411. The next prime is 13212145244497. The reversal of 13212145244454 is 45444254121231.

It is an interprime number because it is at equal distance from previous prime (13212145244411) and next prime (13212145244497).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3583519 + ... + 6266250.

It is an arithmetic number, because the mean of its divisors is an integer number (460747616175).

Almost surely, 2^{13212145244454} is an apocalyptic number.

13212145244454 is an abundant number, since it is smaller than the sum of its proper divisors (16275702190746).

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

13212145244454 is a wasteful number, since it uses less digits than its factorization.

13212145244454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9850409.

The product of its digits is 614400, while the sum is 42.

Adding to 13212145244454 its reverse (45444254121231), we get a palindrome (58656399365685).

The spelling of 13212145244454 in words is "thirteen trillion, two hundred twelve billion, one hundred forty-five million, two hundred forty-four thousand, four hundred fifty-four".