13405424221202 has 16 divisors (see below), whose sum is σ = 21846552479640. Its totient is φ = 6132365605632.

The previous prime is 13405424221193. The next prime is 13405424221219. The reversal of 13405424221202 is 20212242450431.

It can be written as a sum of positive squares in 4 ways, for example, as 7099554921001 + 6305869300201 = 2664499^2 + 2511149^2 .

It is a super-3 number, since 3×13405424221202³ (a number of 40 digits) contains 333 as substring.

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, 2281383077 + ... + 2281388952.

Almost surely, 2^{13405424221202} is an apocalyptic number.

13405424221202 is a deficient number, since it is larger than the sum of its proper divisors (8441128258438).

13405424221202 is a wasteful number, since it uses less digits than its factorization.

13405424221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4562772157.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 13405424221202 its reverse (20212242450431), we get a palindrome (33617666671633).

The spelling of 13405424221202 in words is "thirteen trillion, four hundred five billion, four hundred twenty-four million, two hundred twenty-one thousand, two hundred two".