211403012312 has 16 divisors (see below), whose sum is σ = 406048469400. Its totient is φ = 103123420480.

The previous prime is 211403012243. The next prime is 211403012323. The reversal of 211403012312 is 213210304112.

211403012312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211403012312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322260362 + ... + 322261017.

Almost surely, 2^211403012312 is an apocalyptic number.

It is an amenable number.

211403012312 is a deficient number, since it is larger than the sum of its proper divisors (194645457088).

211403012312 is a wasteful number, since it uses less digits than its factorization.

211403012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644521426 (or 644521422 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 211403012312 its reverse (213210304112), we get a palindrome (424613316424).

The spelling of 211403012312 in words is "two hundred eleven billion, four hundred three million, twelve thousand, three hundred twelve".