212341244231340 has 72 divisors (see below), whose sum is σ = 736116313339680. Its totient is φ = 48535141538304.

The previous prime is 212341244231329. The next prime is 212341244231353. The reversal of 212341244231340 is 43132442143212.

212341244231340 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 41 + 2 + 44 + 231 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 212341244231295 and 212341244231304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84262397245 + ... + 84262399764.

Almost surely, 2^{212341244231340} is an apocalyptic number.

212341244231340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212341244231340 is an abundant number, since it is smaller than the sum of its proper divisors (523775069108340).

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

212341244231340 is a wasteful number, since it uses less digits than its factorization.

212341244231340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168524797031 (or 168524797026 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 212341244231340 its reverse (43132442143212), we get a palindrome (255473686374552).

The spelling of 212341244231340 in words is "two hundred twelve trillion, three hundred forty-one billion, two hundred forty-four million, two hundred thirty-one thousand, three hundred forty".