200400043123012 has 24 divisors (see below), whose sum is σ = 352006444886040. Its totient is φ = 99826778768640.

The previous prime is 200400043123001. The next prime is 200400043123079. The reversal of 200400043123012 is 210321340004002.

It can be written as a sum of positive squares in 4 ways, for example, as 146525121796 + 200253518001216 = 382786^2 + 14151096^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159112462 + ... + 160367002.

It is an arithmetic number, because the mean of its divisors is an integer number (14666935203585).

Almost surely, 2^{200400043123012} is an apocalyptic number.

It is an amenable number.

200400043123012 is a deficient number, since it is larger than the sum of its proper divisors (151606401763028).

200400043123012 is a wasteful number, since it uses less digits than its factorization.

200400043123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403271 (or 1403269 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 200400043123012 its reverse (210321340004002), we get a palindrome (410721383127014).

The spelling of 200400043123012 in words is "two hundred trillion, four hundred billion, forty-three million, one hundred twenty-three thousand, twelve".