12220351424535 has 32 divisors (see below), whose sum is σ = 20616004800000. Its totient is φ = 6164185262976.

The previous prime is 12220351424507. The next prime is 12220351424537. The reversal of 12220351424535 is 53542415302221.

It is not a de Polignac number, because 12220351424535 - 2⁹ = 12220351424023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12220351424493 and 12220351424502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220351424537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35620960 + ... + 35962389.

It is an arithmetic number, because the mean of its divisors is an integer number (644250150000).

Almost surely, 2^{12220351424535} is an apocalyptic number.

12220351424535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12220351424535 is a deficient number, since it is larger than the sum of its proper divisors (8395653375465).

12220351424535 is a wasteful number, since it uses less digits than its factorization.

12220351424535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71583975.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 12220351424535 its reverse (53542415302221), we get a palindrome (65762766726756).

The spelling of 12220351424535 in words is "twelve trillion, two hundred twenty billion, three hundred fifty-one million, four hundred twenty-four thousand, five hundred thirty-five".