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122112210202002 = 2341991337853617
BaseRepresentation
bin11011110000111101110110…
…111010010110110110010010
3121000100210221212220202110000
4123300331312322112312102
5112001141301302431002
61111413324103550430
734502213255522256
oct3360756672266622
9530323855822400
10122112210202002
11359aa552222629
12118421b815b416
13531a194052077
142222396478266
15e1b6437b061c
hex6f0f76e96d92

122112210202002 has 40 divisors (see below), whose sum is σ = 273635552433276. Its totient is φ = 40702024896768.

The previous prime is 122112210201953. The next prime is 122112210202019. The reversal of 122112210202002 is 200202012211221.

It is a happy number.

122112210202002 is a `hidden beast` number, since 1 + 221 + 1 + 221 + 0 + 20 + 200 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 101891278762641 + 20220931439361 = 10094121^2 + 4496769^2 .

It is a super-2 number, since 2×1221122102020022 (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15700903 + ... + 22152714.

Almost surely, 2122112210202002 is an apocalyptic number.

122112210202002 is an abundant number, since it is smaller than the sum of its proper divisors (151523342231274).

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

122112210202002 is a wasteful number, since it uses less digits than its factorization.

122112210202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37873544 (or 37873535 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122112210202002 its reverse (200202012211221), we get a palindrome (322314222413223).

The spelling of 122112210202002 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred ten million, two hundred two thousand, two".

Divisors: 1 2 3 6 9 18 27 54 81 162 19913 39826 59739 119478 179217 358434 537651 1075302 1612953 3225906 37853617 75707234 113560851 227121702 340682553 681365106 1022047659 2044095318 3066142977 6132285954 753779075321 1507558150642 2261337225963 4522674451926 6784011677889 13568023355778 20352035033667 40704070067334 61056105101001 122112210202002