1200326472643 has 2 divisors, whose sum is σ = 1200326472644. Its totient is φ = 1200326472642.

The previous prime is 1200326472641. The next prime is 1200326472691. The reversal of 1200326472643 is 3462746230021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200326472643 - 2¹ = 1200326472641 is a prime.

Together with 1200326472641, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1200326472596 and 1200326472605.

It is not a weakly prime, because it can be changed into another prime (1200326472641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600163236321 + 600163236322.

It is an arithmetic number, because the mean of its divisors is an integer number (600163236322).

Almost surely, 2^{1200326472643} is an apocalyptic number.

1200326472643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200326472643 is an equidigital number, since it uses as much as digits as its factorization.

1200326472643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 1200326472643 in words is "one trillion, two hundred billion, three hundred twenty-six million, four hundred seventy-two thousand, six hundred forty-three".