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212232031000 = 235311411632887
BaseRepresentation
bin1100010110101000000…
…0111100101100011000
3202021210211000020112121
43011222000330230120
511434122344443000
6241255324551024
721222210332653
oct3055200745430
9667724006477
10212232031000
11820094a3130
12351700b2474
1317023574542
14a3b485c89a
1557c2279b1a
hex316a03cb18

212232031000 has 256 divisors, whose sum is σ = 558582635520. Its totient is φ = 74805120000.

The previous prime is 212232030973. The next prime is 212232031001. The reversal of 212232031000 is 130232212.

212232031000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2122320310002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212232031001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73511557 + ... + 73514443.

It is an arithmetic number, because the mean of its divisors is an integer number (2181963420).

Almost surely, 2212232031000 is an apocalyptic number.

212232031000 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 212232031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279291317760).

212232031000 is an abundant number, since it is smaller than the sum of its proper divisors (346350604520).

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

212232031000 is a wasteful number, since it uses less digits than its factorization.

212232031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123 (or 3109 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 212232031000 its reverse (130232212), we get a palindrome (212362263212).

The spelling of 212232031000 in words is "two hundred twelve billion, two hundred thirty-two million, thirty-one thousand".