212404303023430 has 16 divisors (see below), whose sum is σ = 436945994791200. Its totient is φ = 72824332465152.

The previous prime is 212404303023391. The next prime is 212404303023431. The reversal of 212404303023430 is 34320303404212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212404303023392 and 212404303023401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212404303023431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1517173592955 + ... + 1517173593094.

It is an arithmetic number, because the mean of its divisors is an integer number (27309124674450).

Almost surely, 2^{212404303023430} is an apocalyptic number.

212404303023430 is an abundant number, since it is smaller than the sum of its proper divisors (224541691767770).

212404303023430 is a wasteful number, since it uses less digits than its factorization.

212404303023430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034347186063.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 212404303023430 its reverse (34320303404212), we get a palindrome (246724606427642).

The spelling of 212404303023430 in words is "two hundred twelve trillion, four hundred four billion, three hundred three million, twenty-three thousand, four hundred thirty".