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210212100012 = 223891731137733
BaseRepresentation
bin1100001111000110011…
…1100001011110101100
3202002121001011010010210
43003301213201132230
511421003244200022
6240323050502420
721121152240225
oct3036147413654
9662531133123
10210212100012
1181172283082
12348a7734a10
1316a90c3c2c5
14a26249624c
155704c7ba0c
hex30f19e17ac

210212100012 has 48 divisors (see below), whose sum is σ = 498873604320. Its totient is φ = 68882846208.

The previous prime is 210212099971. The next prime is 210212100017. The reversal of 210212100012 is 210001212012.

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

It is not an unprimeable number, because it can be changed into a prime (210212100017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384103 + ... + 753630.

It is an arithmetic number, because the mean of its divisors is an integer number (10393200090).

Almost surely, 2210212100012 is an apocalyptic number.

It is an amenable number.

210212100012 is an abundant number, since it is smaller than the sum of its proper divisors (288661504308).

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

210212100012 is a wasteful number, since it uses less digits than its factorization.

210212100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138002 (or 1138000 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210212100012 its reverse (210001212012), we get a palindrome (420213312024).

The spelling of 210212100012 in words is "two hundred ten billion, two hundred twelve million, one hundred thousand, twelve".

Divisors: 1 2 3 4 6 12 89 173 178 267 346 356 519 534 692 1038 1068 2076 15397 30794 46191 61588 92382 184764 1137733 2275466 3413199 4550932 6826398 13652796 101258237 196827809 202516474 303774711 393655618 405032948 590483427 607549422 787311236 1180966854 1215098844 2361933708 17517675001 35035350002 52553025003 70070700004 105106050006 210212100012