212340220014040 has 64 divisors (see below), whose sum is σ = 489421447724160. Its totient is φ = 82863945185280.

The previous prime is 212340220013983. The next prime is 212340220014047. The reversal of 212340220014040 is 40410022043212.

It is a super-2 number, since 2×212340220014040² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212340220013996 and 212340220014014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212340220014047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341568772 + ... + 342189868.

It is an arithmetic number, because the mean of its divisors is an integer number (7647210120690).

Almost surely, 2^{212340220014040} is an apocalyptic number.

212340220014040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212340220014040 is an abundant number, since it is smaller than the sum of its proper divisors (277081227710120).

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

212340220014040 is a wasteful number, since it uses less digits than its factorization.

212340220014040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829612 (or 829608 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 212340220014040 its reverse (40410022043212), we get a palindrome (252750242057252).

The spelling of 212340220014040 in words is "two hundred twelve trillion, three hundred forty billion, two hundred twenty million, fourteen thousand, forty".