1220233100399 has 2 divisors, whose sum is σ = 1220233100400. Its totient is φ = 1220233100398.

The previous prime is 1220233100267. The next prime is 1220233100419. The reversal of 1220233100399 is 9930013320221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220233100399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220233100599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610116550199 + 610116550200.

It is an arithmetic number, because the mean of its divisors is an integer number (610116550200).

Almost surely, 2^{1220233100399} is an apocalyptic number.

1220233100399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220233100399 is an equidigital number, since it uses as much as digits as its factorization.

1220233100399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 1220233100399 in words is "one trillion, two hundred twenty billion, two hundred thirty-three million, one hundred thousand, three hundred ninety-nine".