212402225635 has 16 divisors (see below), whose sum is σ = 255370040640. Its totient is φ = 169597048320.

The previous prime is 212402225621. The next prime is 212402225647. The reversal of 212402225635 is 536522204212.

It is not a de Polignac number, because 212402225635 - 2¹⁵ = 212402192867 is a prime.

It is a super-2 number, since 2×212402225635² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212402225635.

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 15 ways as a sum of consecutive naturals, for example, 11579151 + ... + 11597479.

It is an arithmetic number, because the mean of its divisors is an integer number (15960627540).

Almost surely, 2^212402225635 is an apocalyptic number.

212402225635 is a deficient number, since it is larger than the sum of its proper divisors (42967815005).

212402225635 is a wasteful number, since it uses less digits than its factorization.

212402225635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22638.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 212402225635 its reverse (536522204212), we get a palindrome (748924429847).

The spelling of 212402225635 in words is "two hundred twelve billion, four hundred two million, two hundred twenty-five thousand, six hundred thirty-five".