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212231112000 = 26353371991201
BaseRepresentation
bin1100010110100111110…
…1011100010101000000
3202021210202021112220120
43011221331130111000
511434122131041000
6241255253140240
721222166454445
oct3055175342500
9667722245816
10212231112000
1182008a25726
123516b92a680
131702331215b
14a3b469d9cc
1557c21476a0
hex3169f5c540

212231112000 has 448 divisors, whose sum is σ = 723946329600. Its totient is φ = 54743040000.

The previous prime is 212231111987. The next prime is 212231112017. The reversal of 212231112000 is 211132212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 176711400 + ... + 176712600.

Almost surely, 2212231112000 is an apocalyptic number.

212231112000 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 212231112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361973164800).

212231112000 is an abundant number, since it is smaller than the sum of its proper divisors (511715217600).

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

212231112000 is a wasteful number, since it uses less digits than its factorization.

212231112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212231112000 its reverse (211132212), we get a palindrome (212442244212).

The spelling of 212231112000 in words is "two hundred twelve billion, two hundred thirty-one million, one hundred twelve thousand".