212133230241434 has 16 divisors (see below), whose sum is σ = 320012487039336. Its totient is φ = 105462601344000.

The previous prime is 212133230241431. The next prime is 212133230241463. The reversal of 212133230241434 is 434142032331212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 161339457590809 + 50793772650625 = 12701947^2 + 7126975^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212133230241394 and 212133230241403.

It is not an unprimeable number, because it can be changed into a prime (212133230241431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47905667 + ... + 52146134.

Almost surely, 2^{212133230241434} is an apocalyptic number.

212133230241434 is a deficient number, since it is larger than the sum of its proper divisors (107879256797902).

212133230241434 is a wasteful number, since it uses less digits than its factorization.

212133230241434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100057841.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 212133230241434 its reverse (434142032331212), we get a palindrome (646275262572646).

The spelling of 212133230241434 in words is "two hundred twelve trillion, one hundred thirty-three billion, two hundred thirty million, two hundred forty-one thousand, four hundred thirty-four".