13220212040535 has 16 divisors (see below), whose sum is σ = 21450259537920. Its totient is φ = 6951472997280.

The previous prime is 13220212040533. The next prime is 13220212040557. The reversal of 13220212040535 is 53504021202231.

It is not a de Polignac number, because 13220212040535 - 2¹ = 13220212040533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220212040533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6206671255 + ... + 6206673384.

It is an arithmetic number, because the mean of its divisors is an integer number (1340641221120).

Almost surely, 2^{13220212040535} is an apocalyptic number.

13220212040535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13220212040535 is a deficient number, since it is larger than the sum of its proper divisors (8230047497385).

13220212040535 is a wasteful number, since it uses less digits than its factorization.

13220212040535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12413344718.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 13220212040535 its reverse (53504021202231), we get a palindrome (66724233242766).

The spelling of 13220212040535 in words is "thirteen trillion, two hundred twenty billion, two hundred twelve million, forty thousand, five hundred thirty-five".