212424050542 has 16 divisors (see below), whose sum is σ = 349735531392. Its totient is φ = 95964014520.

The previous prime is 212424050533. The next prime is 212424050543. The reversal of 212424050542 is 245050424212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212424050543) 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, 29614938 + ... + 29622109.

It is an arithmetic number, because the mean of its divisors is an integer number (21858470712).

Almost surely, 2^212424050542 is an apocalyptic number.

212424050542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212424050542 is a deficient number, since it is larger than the sum of its proper divisors (137311480850).

212424050542 is a wasteful number, since it uses less digits than its factorization.

212424050542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59237223.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 212424050542 its reverse (245050424212), we get a palindrome (457474474754).

The spelling of 212424050542 in words is "two hundred twelve billion, four hundred twenty-four million, fifty thousand, five hundred forty-two".