211403412312 has 64 divisors (see below), whose sum is σ = 536565012480. Its totient is φ = 69398969472.

The previous prime is 211403412301. The next prime is 211403412317. The reversal of 211403412312 is 213214304112.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211403412317) 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, 464073 + ... + 798855.

It is an arithmetic number, because the mean of its divisors is an integer number (8383828320).

Almost surely, 2^211403412312 is an apocalyptic number.

It is an amenable number.

211403412312 is an abundant number, since it is smaller than the sum of its proper divisors (325161600168).

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

211403412312 is a wasteful number, since it uses less digits than its factorization.

211403412312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335192 (or 335188 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 211403412312 its reverse (213214304112), we get a palindrome (424617716424).

The spelling of 211403412312 in words is "two hundred eleven billion, four hundred three million, four hundred twelve thousand, three hundred twelve".