212827336920 has 128 divisors (see below), whose sum is σ = 773917632000. Its totient is φ = 51594503040.

The previous prime is 212827336913. The next prime is 212827336949. The reversal of 212827336920 is 29633728212.

212827336920 is a `hidden beast` number, since 2 + 1 + 282 + 7 + 3 + 369 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 8945500 + ... + 8969259.

It is an arithmetic number, because the mean of its divisors is an integer number (6046231500).

Almost surely, 2^212827336920 is an apocalyptic number.

212827336920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212827336920 is an abundant number, since it is smaller than the sum of its proper divisors (561090295080).

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

212827336920 is a wasteful number, since it uses less digits than its factorization.

212827336920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17914790 (or 17914780 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 212827336920 in words is "two hundred twelve billion, eight hundred twenty-seven million, three hundred thirty-six thousand, nine hundred twenty".