212436424191492 has 192 divisors, whose sum is σ = 552824842752000. Its totient is φ = 70547490224640.

The previous prime is 212436424191487. The next prime is 212436424191517. The reversal of 212436424191492 is 294191424634212.

212436424191492 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 3 + 64 + 2 + 4 + 1 + 91 + 492 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113420407068 + ... + 113420408940.

It is an arithmetic number, because the mean of its divisors is an integer number (2879296056000).

Almost surely, 2^{212436424191492} is an apocalyptic number.

It is an amenable number.

212436424191492 is an abundant number, since it is smaller than the sum of its proper divisors (340388418560508).

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

212436424191492 is a wasteful number, since it uses less digits than its factorization.

212436424191492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183 (or 5175 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The spelling of 212436424191492 in words is "two hundred twelve trillion, four hundred thirty-six billion, four hundred twenty-four million, one hundred ninety-one thousand, four hundred ninety-two".