1212200012783 has 2 divisors, whose sum is σ = 1212200012784. Its totient is φ = 1212200012782.

The previous prime is 1212200012713. The next prime is 1212200012909. The reversal of 1212200012783 is 3872100022121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212200012783 - 2³⁶ = 1143480536047 is a prime.

It is a super-2 number, since 2×1212200012783² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212200012713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606100006391 + 606100006392.

It is an arithmetic number, because the mean of its divisors is an integer number (606100006392).

Almost surely, 2^{1212200012783} is an apocalyptic number.

1212200012783 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212200012783 is an equidigital number, since it uses as much as digits as its factorization.

1212200012783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 1212200012783 in words is "one trillion, two hundred twelve billion, two hundred million, twelve thousand, seven hundred eighty-three".