212012200311431 has 12 divisors (see below), whose sum is σ = 232125155674776. Its totient is φ = 192495314236320.

The previous prime is 212012200311377. The next prime is 212012200311487. The reversal of 212012200311431 is 134113002210212.

It is a de Polignac number, because none of the positive numbers 2^k-212012200311431 is a prime.

It is a super-2 number, since 2×212012200311431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212012200311397 and 212012200311406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012209311431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2191382801 + ... + 2191479546.

It is an arithmetic number, because the mean of its divisors is an integer number (19343762972898).

Almost surely, 2^{212012200311431} is an apocalyptic number.

212012200311431 is a deficient number, since it is larger than the sum of its proper divisors (20112955363345).

212012200311431 is an equidigital number, since it uses as much as digits as its factorization.

212012200311431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382862482 (or 4382862421 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 212012200311431 its reverse (134113002210212), we get a palindrome (346125202521643).

The spelling of 212012200311431 in words is "two hundred twelve trillion, twelve billion, two hundred million, three hundred eleven thousand, four hundred thirty-one".