212421034144430 has 32 divisors (see below), whose sum is σ = 388719867049920. Its totient is φ = 83560663549440.

The previous prime is 212421034144409. The next prime is 212421034144511. The reversal of 212421034144430 is 34441430124212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376524875 + ... + 377088614.

It is an arithmetic number, because the mean of its divisors is an integer number (12147495845310).

Almost surely, 2^{212421034144430} is an apocalyptic number.

212421034144430 is a deficient number, since it is larger than the sum of its proper divisors (176298832905490).

212421034144430 is a wasteful number, since it uses less digits than its factorization.

212421034144430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753613964.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 212421034144430 its reverse (34441430124212), we get a palindrome (246862464268642).

The spelling of 212421034144430 in words is "two hundred twelve trillion, four hundred twenty-one billion, thirty-four million, one hundred forty-four thousand, four hundred thirty".