1200812124403 has 2 divisors, whose sum is σ = 1200812124404. Its totient is φ = 1200812124402.

The previous prime is 1200812124383. The next prime is 1200812124467. The reversal of 1200812124403 is 3044212180021.

It is a weak prime.

It is an emirp because it is prime and its reverse (3044212180021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200812124403 - 2⁵ = 1200812124371 is a prime.

It is a super-2 number, since 2×1200812124403² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1200812124803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600406062201 + 600406062202.

It is an arithmetic number, because the mean of its divisors is an integer number (600406062202).

Almost surely, 2^{1200812124403} is an apocalyptic number.

1200812124403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200812124403 is an equidigital number, since it uses as much as digits as its factorization.

1200812124403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 1200812124403 in words is "one trillion, two hundred billion, eight hundred twelve million, one hundred twenty-four thousand, four hundred three".