212253603533430 has 16 divisors (see below), whose sum is σ = 509408648480304. Its totient is φ = 56600960942240.

The previous prime is 212253603533423. The next prime is 212253603533441. The reversal of 212253603533430 is 34335306352212.

It is a super-2 number, since 2×212253603533430² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 3537560058861 + ... + 3537560058920.

It is an arithmetic number, because the mean of its divisors is an integer number (31838040530019).

Almost surely, 2^{212253603533430} is an apocalyptic number.

212253603533430 is an abundant number, since it is smaller than the sum of its proper divisors (297155044946874).

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

212253603533430 is a wasteful number, since it uses less digits than its factorization.

212253603533430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7075120117791.

The product of its (nonzero) digits is 1166400, while the sum is 42.

Adding to 212253603533430 its reverse (34335306352212), we get a palindrome (246588909885642).

The spelling of 212253603533430 in words is "two hundred twelve trillion, two hundred fifty-three billion, six hundred three million, five hundred thirty-three thousand, four hundred thirty".