211452422032450 has 12 divisors (see below), whose sum is σ = 393301504980450. Its totient is φ = 84580968812960.

The previous prime is 211452422032429. The next prime is 211452422032451. The reversal of 211452422032450 is 54230224254112.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 156549168065521 + 54903253966929 = 12511961^2 + 7409673^2 .

It is not an unprimeable number, because it can be changed into a prime (211452422032451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2114524220275 + ... + 2114524220374.

Almost surely, 2^{211452422032450} is an apocalyptic number.

211452422032450 is a deficient number, since it is larger than the sum of its proper divisors (181849082948000).

211452422032450 is a wasteful number, since it uses less digits than its factorization.

211452422032450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229048440661 (or 4229048440656 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 211452422032450 its reverse (54230224254112), we get a palindrome (265682646286562).

The spelling of 211452422032450 in words is "two hundred eleven trillion, four hundred fifty-two billion, four hundred twenty-two million, thirty-two thousand, four hundred fifty".