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212442868437120 = 2733559871923899
BaseRepresentation
bin110000010011011100110101…
…101101010101000010000000
31000212012100011202210202212000
4300103130311231111002000
5210321130443304441440
62031454523443104000
762514330216044346
oct6023346555250200
91025170152722760
10212442868437120
1161766572949882
121b9b0a26972000
13917037970b909
143a6640accd996
1519861d70e7730
hexc13735b55080

212442868437120 has 512 divisors, whose sum is σ = 765274176000000. Its totient is φ = 55682520477696.

The previous prime is 212442868437103. The next prime is 212442868437133. The reversal of 212442868437120 is 21734868244212.

212442868437120 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 4 + 2 + 86 + 8 + 437 + 120 = 666.

It is a super-2 number, since 2×2124428684371202 (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8889182931 + ... + 8889206829.

It is an arithmetic number, because the mean of its divisors is an integer number (1494676125000).

Almost surely, 2212442868437120 is an apocalyptic number.

212442868437120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212442868437120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382637088000000).

212442868437120 is an abundant number, since it is smaller than the sum of its proper divisors (552831307562880).

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

212442868437120 is a wasteful number, since it uses less digits than its factorization.

212442868437120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32705 (or 32687 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 54.

The spelling of 212442868437120 in words is "two hundred twelve trillion, four hundred forty-two billion, eight hundred sixty-eight million, four hundred thirty-seven thousand, one hundred twenty".