212385883680 has 96 divisors (see below), whose sum is σ = 743350608000. Its totient is φ = 56636234496.

The previous prime is 212385883667. The next prime is 212385883687. The reversal of 212385883680 is 86388583212.

212385883680 is a `hidden beast` number, since 2 + 1 + 23 + 8 + 588 + 36 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (212385883687) 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, 24577380 + ... + 24586019.

It is an arithmetic number, because the mean of its divisors is an integer number (7743235500).

Almost surely, 2^212385883680 is an apocalyptic number.

212385883680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212385883680 is an abundant number, since it is smaller than the sum of its proper divisors (530964724320).

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

212385883680 is a wasteful number, since it uses less digits than its factorization.

212385883680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49163423 (or 49163409 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 212385883680 in words is "two hundred twelve billion, three hundred eighty-five million, eight hundred eighty-three thousand, six hundred eighty".