212234420431133 has 16 divisors (see below), whose sum is σ = 218708370696960. Its totient is φ = 205863463915200.

The previous prime is 212234420431097. The next prime is 212234420431237. The reversal of 212234420431133 is 331134024432212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212234420431133 - 2⁴² = 207836373920029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212234420431093 and 212234420431102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212234420431933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22641758 + ... + 30612383.

It is an arithmetic number, because the mean of its divisors is an integer number (13669273168560).

Almost surely, 2^{212234420431133} is an apocalyptic number.

It is an amenable number.

212234420431133 is a deficient number, since it is larger than the sum of its proper divisors (6473950265827).

212234420431133 is an equidigital number, since it uses as much as digits as its factorization.

212234420431133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53255108.

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

Adding to 212234420431133 its reverse (331134024432212), we get a palindrome (543368444863345).

The spelling of 212234420431133 in words is "two hundred twelve trillion, two hundred thirty-four billion, four hundred twenty million, four hundred thirty-one thousand, one hundred thirty-three".