212532210122245 has 32 divisors (see below), whose sum is σ = 274885053674112. Its totient is φ = 156816564748032.

The previous prime is 212532210122231. The next prime is 212532210122321. The reversal of 212532210122245 is 542221012235212.

It is a cyclic number.

It is not a de Polignac number, because 212532210122245 - 2⁷ = 212532210122117 is a prime.

It is a super-2 number, since 2×212532210122245² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212532210122245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2017856154 + ... + 2017961476.

It is an arithmetic number, because the mean of its divisors is an integer number (8590157927316).

Almost surely, 2^{212532210122245} is an apocalyptic number.

It is an amenable number.

212532210122245 is a deficient number, since it is larger than the sum of its proper divisors (62352843551867).

212532210122245 is a wasteful number, since it uses less digits than its factorization.

212532210122245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130821.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 212532210122245 its reverse (542221012235212), we get a palindrome (754753222357457).

The spelling of 212532210122245 in words is "two hundred twelve trillion, five hundred thirty-two billion, two hundred ten million, one hundred twenty-two thousand, two hundred forty-five".