1201661622283 has 2 divisors, whose sum is σ = 1201661622284. Its totient is φ = 1201661622282.

The previous prime is 1201661622223. The next prime is 1201661622299. The reversal of 1201661622283 is 3822261661021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201661622283 is a prime.

It is a super-2 number, since 2×1201661622283² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1201661622223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600830811141 + 600830811142.

It is an arithmetic number, because the mean of its divisors is an integer number (600830811142).

Almost surely, 2^{1201661622283} is an apocalyptic number.

1201661622283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201661622283 is an equidigital number, since it uses as much as digits as its factorization.

1201661622283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 1201661622283 in words is "one trillion, two hundred one billion, six hundred sixty-one million, six hundred twenty-two thousand, two hundred eighty-three".