1220001202033 has 2 divisors, whose sum is σ = 1220001202034. Its totient is φ = 1220001202032.

The previous prime is 1220001202019. The next prime is 1220001202037. The reversal of 1220001202033 is 3302021000221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1087073146384 + 132928055649 = 1042628^2 + 364593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220001202033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220001201998 and 1220001202016.

It is not a weakly prime, because it can be changed into another prime (1220001202037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610000601016 + 610000601017.

It is an arithmetic number, because the mean of its divisors is an integer number (610000601017).

Almost surely, 2^{1220001202033} is an apocalyptic number.

It is an amenable number.

1220001202033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220001202033 is an equidigital number, since it uses as much as digits as its factorization.

1220001202033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1220001202033 its reverse (3302021000221), we get a palindrome (4522022202254).

The spelling of 1220001202033 in words is "one trillion, two hundred twenty billion, one million, two hundred two thousand, thirty-three".