842730889212 has 120 divisors (see below), whose sum is σ = 2354920821792. Its totient is φ = 262143129600.

The previous prime is 842730889193. The next prime is 842730889223. The reversal of 842730889212 is 212988037248.

842730889212 is a `hidden beast` number, since 8 + 42 + 7 + 308 + 89 + 212 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1073589 + ... + 1684652.

Almost surely, 2^842730889212 is an apocalyptic number.

842730889212 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

842730889212 is an abundant number, since it is smaller than the sum of its proper divisors (1512189932580).

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

842730889212 is a wasteful number, since it uses less digits than its factorization.

842730889212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758321 (or 2758310 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 842730889212 in words is "eight hundred forty-two billion, seven hundred thirty million, eight hundred eighty-nine thousand, two hundred twelve".