212133013122031 has 4 divisors (see below), whose sum is σ = 212158519083592. Its totient is φ = 212107507160472.

The previous prime is 212133013122029. The next prime is 212133013122049. The reversal of 212133013122031 is 130221310331212.

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

It is a cyclic number.

It is not a de Polignac number, because 212133013122031 - 2¹ = 212133013122029 is a prime.

It is a super-2 number, since 2×212133013122031² (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 = 212133013121987 and 212133013122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212133013152031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12752968305 + ... + 12752984938.

It is an arithmetic number, because the mean of its divisors is an integer number (53039629770898).

Almost surely, 2^{212133013122031} is an apocalyptic number.

212133013122031 is a deficient number, since it is larger than the sum of its proper divisors (25505961561).

212133013122031 is an equidigital number, since it uses as much as digits as its factorization.

212133013122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25505961560.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 212133013122031 its reverse (130221310331212), we get a palindrome (342354323453243).

The spelling of 212133013122031 in words is "two hundred twelve trillion, one hundred thirty-three billion, thirteen million, one hundred twenty-two thousand, thirty-one".