212469226040 has 64 divisors (see below), whose sum is σ = 482323464000. Its totient is φ = 84231502848.

The previous prime is 212469225977. The next prime is 212469226061. The reversal of 212469226040 is 40622964212.

It is a super-2 number, since 2×212469226040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212469225985 and 212469226003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2684717 + ... + 2762723.

It is an arithmetic number, because the mean of its divisors is an integer number (7536304125).

Almost surely, 2^212469226040 is an apocalyptic number.

212469226040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212469226040 is an abundant number, since it is smaller than the sum of its proper divisors (269854237960).

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

212469226040 is a wasteful number, since it uses less digits than its factorization.

212469226040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78624 (or 78620 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 212469226040 in words is "two hundred twelve billion, four hundred sixty-nine million, two hundred twenty-six thousand, forty".