1220100432433 has 4 divisors (see below), whose sum is σ = 1220107677300. Its totient is φ = 1220093187568.

The previous prime is 1220100432323. The next prime is 1220100432451. The reversal of 1220100432433 is 3342340010221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 289151401984 + 930949030449 = 537728^2 + 964857^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220100432433 - 2¹⁷ = 1220100301361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220100432398 and 1220100432407.

It is not an unprimeable number, because it can be changed into a prime (1220100436433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3363658 + ... + 3708691.

It is an arithmetic number, because the mean of its divisors is an integer number (305026919325).

Almost surely, 2^{1220100432433} is an apocalyptic number.

It is an amenable number.

1220100432433 is a deficient number, since it is larger than the sum of its proper divisors (7244867).

1220100432433 is an equidigital number, since it uses as much as digits as its factorization.

1220100432433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244866.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1220100432433 its reverse (3342340010221), we get a palindrome (4562440442654).

The spelling of 1220100432433 in words is "one trillion, two hundred twenty billion, one hundred million, four hundred thirty-two thousand, four hundred thirty-three".