1200213132973 has 2 divisors, whose sum is σ = 1200213132974. Its totient is φ = 1200213132972.

The previous prime is 1200213132949. The next prime is 1200213133039. The reversal of 1200213132973 is 3792313120021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 955072289284 + 245140843689 = 977278^2 + 495117^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200213132973 - 2⁵ = 1200213132941 is a prime.

It is a super-5 number, since 5×1200213132973⁵ (a number of 62 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200213138973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600106566486 + 600106566487.

It is an arithmetic number, because the mean of its divisors is an integer number (600106566487).

Almost surely, 2^{1200213132973} is an apocalyptic number.

It is an amenable number.

1200213132973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200213132973 is an equidigital number, since it uses as much as digits as its factorization.

1200213132973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

Adding to 1200213132973 its reverse (3792313120021), we get a palindrome (4992526252994).

The spelling of 1200213132973 in words is "one trillion, two hundred billion, two hundred thirteen million, one hundred thirty-two thousand, nine hundred seventy-three".