212240040103100 has 36 divisors (see below), whose sum is σ = 460561742995200. Its totient is φ = 84895858258560.

The previous prime is 212240040103099. The next prime is 212240040103121. The reversal of 212240040103100 is 1301040042212.

It is a super-2 number, since 2×212240040103100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62630021 + ... + 65931779.

Almost surely, 2^{212240040103100} is an apocalyptic number.

212240040103100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212240040103100 is an abundant number, since it is smaller than the sum of its proper divisors (248321702892100).

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

212240040103100 is a wasteful number, since it uses less digits than its factorization.

212240040103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944582 (or 3944575 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212240040103100 its reverse (1301040042212), we get a palindrome (213541080145312).

The spelling of 212240040103100 in words is "two hundred twelve trillion, two hundred forty billion, forty million, one hundred three thousand, one hundred".