212240431231430 has 48 divisors (see below), whose sum is σ = 450664706481696. Its totient is φ = 71743244348160.

The previous prime is 212240431231429. The next prime is 212240431231457. The reversal of 212240431231430 is 34132134042212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3050273219 + ... + 3050342798.

It is an arithmetic number, because the mean of its divisors is an integer number (9388848051702).

Almost surely, 2^{212240431231430} is an apocalyptic number.

212240431231430 is an abundant number, since it is smaller than the sum of its proper divisors (238424275250266).

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

212240431231430 is a wasteful number, since it uses less digits than its factorization.

212240431231430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100616109 (or 6100616102 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 212240431231430 its reverse (34132134042212), we get a palindrome (246372565273642).

The spelling of 212240431231430 in words is "two hundred twelve trillion, two hundred forty billion, four hundred thirty-one million, two hundred thirty-one thousand, four hundred thirty".