212430334202311 has 16 divisors (see below), whose sum is σ = 234397867511808. Its totient is φ = 191843492702400.

The previous prime is 212430334202287. The next prime is 212430334202329. The reversal of 212430334202311 is 113202433034212.

It is a cyclic number.

It is not a de Polignac number, because 212430334202311 - 2¹⁹ = 212430333678023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212430334202371) 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, 3633370251 + ... + 3633428716.

It is an arithmetic number, because the mean of its divisors is an integer number (14649866719488).

Almost surely, 2^{212430334202311} is an apocalyptic number.

212430334202311 is a deficient number, since it is larger than the sum of its proper divisors (21967533309497).

212430334202311 is a wasteful number, since it uses less digits than its factorization.

212430334202311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7266799062.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 212430334202311 its reverse (113202433034212), we get a palindrome (325632767236523).

The spelling of 212430334202311 in words is "two hundred twelve trillion, four hundred thirty billion, three hundred thirty-four million, two hundred two thousand, three hundred eleven".