211433034012 has 48 divisors (see below), whose sum is σ = 510270953472. Its totient is φ = 68068549440.

The previous prime is 211433033969. The next prime is 211433034019. The reversal of 211433034012 is 210430334112.

It is a happy number.

It is a super-2 number, since 2×211433034012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211433034019) 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, 377863 + ... + 752094.

It is an arithmetic number, because the mean of its divisors is an integer number (10630644864).

Almost surely, 2^211433034012 is an apocalyptic number.

It is an amenable number.

211433034012 is an abundant number, since it is smaller than the sum of its proper divisors (298837919460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211433034012 is a wasteful number, since it uses less digits than its factorization.

211433034012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130498 (or 1130496 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 211433034012 its reverse (210430334112), we get a palindrome (421863368124).

The spelling of 211433034012 in words is "two hundred eleven billion, four hundred thirty-three million, thirty-four thousand, twelve".