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20101210230000 = 243543671825723
BaseRepresentation
bin1001001001000001011010…
…11111101100110011110000
32122011122201220100220100210
410210200231133230303300
510113314234304330000
6110430211332344120
74143156504543504
oct444405537546360
978148656326323
1020101210230000
11644a96a156919
1223078ba775040
13b2a6c775a0b3
144d6c91d12304
1524cd2a47c350
hex12482d7eccf0

20101210230000 has 200 divisors, whose sum is σ = 65066232740608. Its totient is φ = 5345714016000.

The previous prime is 20101210229999. The next prime is 20101210230041. The reversal of 20101210230000 is 3201210102.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 10097139 + ... + 11922861.

Almost surely, 220101210230000 is an apocalyptic number.

20101210230000 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 20101210230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32533116370304).

20101210230000 is an abundant number, since it is smaller than the sum of its proper divisors (44965022510608).

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

20101210230000 is a wasteful number, since it uses less digits than its factorization.

20101210230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826121 (or 1826100 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20101210230000 its reverse (3201210102), we get a palindrome (20104411440102).

The spelling of 20101210230000 in words is "twenty trillion, one hundred one billion, two hundred ten million, two hundred thirty thousand".