212132534013431 has 4 divisors (see below), whose sum is σ = 212192475394200. Its totient is φ = 212072592632664.

The previous prime is 212132534013419. The next prime is 212132534013443. The reversal of 212132534013431 is 134310435231212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (212132534013419) and next prime (212132534013443).

It is a cyclic number.

It is not a de Polignac number, because 212132534013431 - 2²² = 212132529819127 is a prime.

It is a super-2 number, since 2×212132534013431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212132534013391 and 212132534013400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212132534013451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29970685076 + ... + 29970692153.

It is an arithmetic number, because the mean of its divisors is an integer number (53048118848550).

Almost surely, 2^{212132534013431} is an apocalyptic number.

212132534013431 is a deficient number, since it is larger than the sum of its proper divisors (59941380769).

212132534013431 is an equidigital number, since it uses as much as digits as its factorization.

212132534013431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59941380768.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 212132534013431 its reverse (134310435231212), we get a palindrome (346442969244643).

The spelling of 212132534013431 in words is "two hundred twelve trillion, one hundred thirty-two billion, five hundred thirty-four million, thirteen thousand, four hundred thirty-one".