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210002112112212 = 223571915671036661
BaseRepresentation
bin101111101111111011101101…
…010010110110011001010100
31000112120000011021011201200000
4233233323231102312121110
5210011133311200042322
62022345345524251300
762143103051433510
oct5757735522663124
91015500137151600
10210002112112212
1160a054395a8552
121b677996540b30
139024163b86334
1439c0229473140
15194298463d3ac
hexbefeed4b6654

210002112112212 has 288 divisors, whose sum is σ = 662678139002880. Its totient is φ = 56806347323520.

The previous prime is 210002112112211. The next prime is 210002112112259. The reversal of 210002112112212 is 212211211200012.

210002112112212 is a `hidden beast` number, since 21 + 0 + 0 + 0 + 211 + 211 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002112112211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 202057162 + ... + 203093822.

Almost surely, 2210002112112212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210002112112212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331339069501440).

210002112112212 is an abundant number, since it is smaller than the sum of its proper divisors (452676026890668).

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

210002112112212 is a wasteful number, since it uses less digits than its factorization.

210002112112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038273 (or 1038259 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210002112112212 its reverse (212211211200012), we get a palindrome (422213323312224).

The spelling of 210002112112212 in words is "two hundred ten trillion, two billion, one hundred twelve million, one hundred twelve thousand, two hundred twelve".