211454333412 has 96 divisors (see below), whose sum is σ = 575418719232. Its totient is φ = 59182621056.

The previous prime is 211454333411. The next prime is 211454333423. The reversal of 211454333412 is 214333454112.

It is not an unprimeable number, because it can be changed into a prime (211454333411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2825703 + ... + 2899569.

It is an arithmetic number, because the mean of its divisors is an integer number (5993944992).

Almost surely, 2^211454333412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211454333412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287709359616).

211454333412 is an abundant number, since it is smaller than the sum of its proper divisors (363964385820).

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

211454333412 is a wasteful number, since it uses less digits than its factorization.

211454333412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74577 (or 74575 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

Adding to 211454333412 its reverse (214333454112), we get a palindrome (425787787524).

The spelling of 211454333412 in words is "two hundred eleven billion, four hundred fifty-four million, three hundred thirty-three thousand, four hundred twelve".