212404223441412 has 18 divisors (see below), whose sum is σ = 536910675921438. Its totient is φ = 70801407813792.

The previous prime is 212404223441321. The next prime is 212404223441437. The reversal of 212404223441412 is 214144322404212.

212404223441412 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 0 + 4 + 2 + 234 + 4 + 1 + 412 = 666.

It can be written as a sum of positive squares in only one way, i.e., 200460743629056 + 11943479812356 = 14158416^2 + 3455934^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5900117317817 = 212404223441412 / (2 + 1 + 2 + 4 + 0 + 4 + 2 + 2 + 3 + 4 + 4 + 1 + 4 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2950058658873 + ... + 2950058658944.

Almost surely, 2^{212404223441412} is an apocalyptic number.

It is an amenable number.

212404223441412 is an abundant number, since it is smaller than the sum of its proper divisors (324506452480026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212404223441412 is a wasteful number, since it uses less digits than its factorization.

212404223441412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900117317827 (or 5900117317822 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 212404223441412 its reverse (214144322404212), we get a palindrome (426548545845624).

The spelling of 212404223441412 in words is "two hundred twelve trillion, four hundred four billion, two hundred twenty-three million, four hundred forty-one thousand, four hundred twelve".