1212200119973 has 12 divisors (see below), whose sum is σ = 1256073165828. Its totient is φ = 1169811242880.

The previous prime is 1212200119967. The next prime is 1212200119979. The reversal of 1212200119973 is 3799110022121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1212200119967) and next prime (1212200119979).

It can be written as a sum of positive squares in 6 ways, for example, as 11898010084 + 1200302109889 = 109078^2 + 1095583^2 .

It is not a de Polignac number, because 1212200119973 - 2²² = 1212195925669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212200119979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1314503 + ... + 2037723.

It is an arithmetic number, because the mean of its divisors is an integer number (104672763819).

Almost surely, 2^{1212200119973} is an apocalyptic number.

It is an amenable number.

1212200119973 is a deficient number, since it is larger than the sum of its proper divisors (43873045855).

1212200119973 is an equidigital number, since it uses as much as digits as its factorization.

1212200119973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725272 (or 725243 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 38.

The spelling of 1212200119973 in words is "one trillion, two hundred twelve billion, two hundred million, one hundred nineteen thousand, nine hundred seventy-three".