1220303133443 has 2 divisors, whose sum is σ = 1220303133444. Its totient is φ = 1220303133442.

The previous prime is 1220303133409. The next prime is 1220303133451. The reversal of 1220303133443 is 3443313030221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220303133443 - 2¹² = 1220303129347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220303133473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610151566721 + 610151566722.

It is an arithmetic number, because the mean of its divisors is an integer number (610151566722).

Almost surely, 2^{1220303133443} is an apocalyptic number.

1220303133443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220303133443 is an equidigital number, since it uses as much as digits as its factorization.

1220303133443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 1220303133443 its reverse (3443313030221), we get a palindrome (4663616163664).

The spelling of 1220303133443 in words is "one trillion, two hundred twenty billion, three hundred three million, one hundred thirty-three thousand, four hundred forty-three".