1201202219993 has 2 divisors, whose sum is σ = 1201202219994. Its totient is φ = 1201202219992.

The previous prime is 1201202219969. The next prime is 1201202220121. The reversal of 1201202219993 is 3999122021021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1180619152969 + 20583067024 = 1086563^2 + 143468^2 .

It is an emirp because it is prime and its reverse (3999122021021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201202219993 - 2¹² = 1201202215897 is a prime.

It is a super-2 number, since 2×1201202219993² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1201202219993.

It is not a weakly prime, because it can be changed into another prime (1201202219293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600601109996 + 600601109997.

It is an arithmetic number, because the mean of its divisors is an integer number (600601109997).

Almost surely, 2^{1201202219993} is an apocalyptic number.

It is an amenable number.

1201202219993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201202219993 is an equidigital number, since it uses as much as digits as its factorization.

1201202219993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 1201202219993 in words is "one trillion, two hundred one billion, two hundred two million, two hundred nineteen thousand, nine hundred ninety-three".