212440420143100 has 18 divisors (see below), whose sum is σ = 460995711710744. Its totient is φ = 84976168057200.

The previous prime is 212440420143047. The next prime is 212440420143131. The reversal of 212440420143100 is 1341024044212.

It is a super-2 number, since 2×212440420143100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1062202100616 + ... + 1062202100815.

Almost surely, 2^{212440420143100} is an apocalyptic number.

212440420143100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212440420143100 is an abundant number, since it is smaller than the sum of its proper divisors (248555291567644).

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

212440420143100 is a wasteful number, since it uses less digits than its factorization.

212440420143100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124404201445 (or 2124404201438 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 212440420143100 its reverse (1341024044212), we get a palindrome (213781444187312).

The spelling of 212440420143100 in words is "two hundred twelve trillion, four hundred forty billion, four hundred twenty million, one hundred forty-three thousand, one hundred".