212753202426 has 24 divisors (see below), whose sum is σ = 478038060864. Its totient is φ = 70917733980.

The previous prime is 212753202421. The next prime is 212753202479. The reversal of 212753202426 is 624202357212.

212753202426 is a `hidden beast` number, since 2 + 1 + 27 + 5 + 3 + 202 + 426 = 666.

It is not an unprimeable number, because it can be changed into a prime (212753202421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218881410 + ... + 218882381.

It is an arithmetic number, because the mean of its divisors is an integer number (19918252536).

Almost surely, 2^212753202426 is an apocalyptic number.

212753202426 is an abundant number, since it is smaller than the sum of its proper divisors (265284858438).

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

212753202426 is an equidigital number, since it uses as much as digits as its factorization.

212753202426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437763808 (or 437763796 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 212753202426 its reverse (624202357212), we get a palindrome (836955559638).

The spelling of 212753202426 in words is "two hundred twelve billion, seven hundred fifty-three million, two hundred two thousand, four hundred twenty-six".