1220230234061 has 2 divisors, whose sum is σ = 1220230234062. Its totient is φ = 1220230234060.

The previous prime is 1220230234057. The next prime is 1220230234099. The reversal of 1220230234061 is 1604320320221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1220130114025 + 100120036 = 1104595^2 + 10006^2 .

It is an emirp because it is prime and its reverse (1604320320221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220230234061 - 2² = 1220230234057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220230234061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220230234031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610115117030 + 610115117031.

It is an arithmetic number, because the mean of its divisors is an integer number (610115117031).

Almost surely, 2^{1220230234061} is an apocalyptic number.

It is an amenable number.

1220230234061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220230234061 is an equidigital number, since it uses as much as digits as its factorization.

1220230234061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1220230234061 its reverse (1604320320221), we get a palindrome (2824550554282).

The spelling of 1220230234061 in words is "one trillion, two hundred twenty billion, two hundred thirty million, two hundred thirty-four thousand, sixty-one".