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212021112002022 = 23217692879450987
BaseRepresentation
bin110000001101010100000011…
…000100001101010111100110
31000210201000112211122222121200
4300031110003010031113212
5210242223214133031042
62030533053151023330
762442006543355401
oct6015240304152746
91023630484588550
10212021112002022
1161613715389804
121b94314150ab46
13913c674849c4b
143a4dc3b46cd38
15197a250682c4c
hexc0d50310d5e6

212021112002022 has 24 divisors (see below), whose sum is σ = 486401374593576. Its totient is φ = 66516427294656.

The previous prime is 212021112001957. The next prime is 212021112002047. The reversal of 212021112002022 is 220200211120212.

It is a happy number.

212021112002022 is a `hidden beast` number, since 212 + 0 + 211 + 1 + 200 + 20 + 22 = 666.

It is a super-4 number, since 4×2120211120020224 (a number of 58 digits) contains 4444 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 212021112001986 and 212021112002004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346439725188 + ... + 346439725799.

It is an arithmetic number, because the mean of its divisors is an integer number (20266723941399).

Almost surely, 2212021112002022 is an apocalyptic number.

212021112002022 is an abundant number, since it is smaller than the sum of its proper divisors (274380262591554).

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

212021112002022 is a wasteful number, since it uses less digits than its factorization.

212021112002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692879451012 (or 692879451009 counting only the distinct ones).

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

Adding to 212021112002022 its reverse (220200211120212), we get a palindrome (432221323122234).

The spelling of 212021112002022 in words is "two hundred twelve trillion, twenty-one billion, one hundred twelve million, two thousand, twenty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 692879450987 1385758901974 2078638352961 4157276705922 6235915058883 11778950666779 12471830117766 23557901333558 35336852000337 70673704000674 106010556001011 212021112002022