212436316130640 has 160 divisors (see below), whose sum is σ = 752751003876096. Its totient is φ = 48549163622400.

The previous prime is 212436316130611. The next prime is 212436316130681. The reversal of 212436316130640 is 46031613634212.

It is a super-2 number, since 2×212436316130640² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 212436316130592 and 212436316130601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 551544 + ... + 20619816.

Almost surely, 2^{212436316130640} is an apocalyptic number.

212436316130640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212436316130640 is an abundant number, since it is smaller than the sum of its proper divisors (540314687745456).

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

212436316130640 is a wasteful number, since it uses less digits than its factorization.

212436316130640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20074597 (or 20074591 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

Adding to 212436316130640 its reverse (46031613634212), we get a palindrome (258467929764852).

The spelling of 212436316130640 in words is "two hundred twelve trillion, four hundred thirty-six billion, three hundred sixteen million, one hundred thirty thousand, six hundred forty".