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212011200000 = 29325514723
BaseRepresentation
bin1100010101110011011…
…0100010111000000000
3202021020102110212100200
43011130312202320000
511433144331400000
6241221355445200
721213556315545
oct3053466427000
9667212425320
10212011200000
1181a05882576
123510a156800
1316cb98a5802
14a3933b6bcc
1557acba8500
hex315cda2e00

212011200000 has 360 divisors, whose sum is σ = 764851343256. Its totient is φ = 56532480000.

The previous prime is 212011199941. The next prime is 212011200007. The reversal of 212011200000 is 2110212.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011200007) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14392639 + ... + 14407361.

Almost surely, 2212011200000 is an apocalyptic number.

212011200000 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 212011200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382425671628).

212011200000 is an abundant number, since it is smaller than the sum of its proper divisors (552840143256).

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

212011200000 is an frugal number, since it uses more digits than its factorization.

212011200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14772 (or 14733 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 212011200000 its reverse (2110212), we get a palindrome (212013310212).

The spelling of 212011200000 in words is "two hundred twelve billion, eleven million, two hundred thousand".