212650145536610 has 48 divisors (see below), whose sum is σ = 393072811937784. Its totient is φ = 82827677845248.

The previous prime is 212650145536589. The next prime is 212650145536643. The reversal of 212650145536610 is 16635541056212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 203611409947009 + 9038735589601 = 14269247^2 + 3006449^2 .

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 20081099 + ... + 28784558.

Almost surely, 2^{212650145536610} is an apocalyptic number.

212650145536610 is a deficient number, since it is larger than the sum of its proper divisors (180422666401174).

212650145536610 is a wasteful number, since it uses less digits than its factorization.

212650145536610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48865955 (or 48865908 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 212650145536610 in words is "two hundred twelve trillion, six hundred fifty billion, one hundred forty-five million, five hundred thirty-six thousand, six hundred ten".