1200005333231 has 2 divisors, whose sum is σ = 1200005333232. Its totient is φ = 1200005333230.

The previous prime is 1200005333213. The next prime is 1200005333243. The reversal of 1200005333231 is 1323335000021.

Together with previous prime (1200005333213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200005333231 is a prime.

It is a super-2 number, since 2×1200005333231² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200005333197 and 1200005333206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200005033231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600002666615 + 600002666616.

It is an arithmetic number, because the mean of its divisors is an integer number (600002666616).

Almost surely, 2^{1200005333231} is an apocalyptic number.

1200005333231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200005333231 is an equidigital number, since it uses as much as digits as its factorization.

1200005333231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 23.

The spelling of 1200005333231 in words is "one trillion, two hundred billion, five million, three hundred thirty-three thousand, two hundred thirty-one".