211408057112812 has 24 divisors (see below), whose sum is σ = 432649047117056. Its totient is φ = 88496396000208.

The previous prime is 211408057112743. The next prime is 211408057112851. The reversal of 211408057112812 is 218211750804112.

It is a super-2 number, since 2×211408057112812² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

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 7 ways as a sum of consecutive naturals, for example, 87794042448 + ... + 87794044855.

Almost surely, 2^{211408057112812} is an apocalyptic number.

It is an amenable number.

211408057112812 is an abundant number, since it is smaller than the sum of its proper divisors (221240990004244).

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

211408057112812 is a wasteful number, since it uses less digits than its factorization.

211408057112812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175588087357 (or 175588087355 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 43.

The spelling of 211408057112812 in words is "two hundred eleven trillion, four hundred eight billion, fifty-seven million, one hundred twelve thousand, eight hundred twelve".