1220433042435 has 64 divisors (see below), whose sum is σ = 2031740928000. Its totient is φ = 624819267072.

The previous prime is 1220433042407. The next prime is 1220433042449. The reversal of 1220433042435 is 5342403340221.

It is not a de Polignac number, because 1220433042435 - 2⁵ = 1220433042403 is a prime.

It is a super-2 number, since 2×1220433042435² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220433042396 and 1220433042405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52668222 + ... + 52691388.

It is an arithmetic number, because the mean of its divisors is an integer number (31745952000).

Almost surely, 2^{1220433042435} is an apocalyptic number.

1220433042435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1220433042435 is a deficient number, since it is larger than the sum of its proper divisors (811307885565).

1220433042435 is a wasteful number, since it uses less digits than its factorization.

1220433042435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23900.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 1220433042435 its reverse (5342403340221), we get a palindrome (6562836382656).

The spelling of 1220433042435 in words is "one trillion, two hundred twenty billion, four hundred thirty-three million, forty-two thousand, four hundred thirty-five".