206104111312 has 40 divisors (see below), whose sum is σ = 440877719520. Its totient is φ = 92554961280.

The previous prime is 206104111273. The next prime is 206104111321. The reversal of 206104111312 is 213111401602.

It is a super-2 number, since 2×206104111312² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7039887 + ... + 7069102.

It is an arithmetic number, because the mean of its divisors is an integer number (11021942988).

Almost surely, 2^206104111312 is an apocalyptic number.

206104111312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

206104111312 is an abundant number, since it is smaller than the sum of its proper divisors (234773608208).

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

206104111312 is a wasteful number, since it uses less digits than its factorization.

206104111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14109091 (or 14109085 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 206104111312 its reverse (213111401602), we get a palindrome (419215512914).

The spelling of 206104111312 in words is "two hundred six billion, one hundred four million, one hundred eleven thousand, three hundred twelve".