13220124054154 has 16 divisors (see below), whose sum is σ = 19868317345800. Its totient is φ = 6597362294784.

The previous prime is 13220124054149. The next prime is 13220124054187. The reversal of 13220124054154 is 45145042102231.

It can be written as a sum of positive squares in 4 ways, for example, as 11197690227025 + 2022433827129 = 3346295^2 + 1422123^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196477 + ... + 5145760.

Almost surely, 2^{13220124054154} is an apocalyptic number.

13220124054154 is a deficient number, since it is larger than the sum of its proper divisors (6648193291646).

13220124054154 is a wasteful number, since it uses less digits than its factorization.

13220124054154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344617.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 13220124054154 its reverse (45145042102231), we get a palindrome (58365166156385).

The spelling of 13220124054154 in words is "thirteen trillion, two hundred twenty billion, one hundred twenty-four million, fifty-four thousand, one hundred fifty-four".