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2120101220212 = 221929961933403
BaseRepresentation
bin11110110110011111111…
…000010100111101110100
321111200100111110222111021
4132312133320110331310
5234213431403021322
64301543330550524
7306113041014103
oct36663770247564
97450314428437
102120101220212
11748147960178
122a2a81738444
13124c036cb751
147488342403a
153a236cc94c7
hex1ed9fe14f74

2120101220212 has 24 divisors (see below), whose sum is σ = 4040120296800. Its totient is φ = 969628869216.

The previous prime is 2120101220203. The next prime is 2120101220227. The reversal of 2120101220212 is 2120221010212.

It is a happy number.

It is a super-2 number, since 2×21201012202122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480964498 + ... + 480968905.

It is an arithmetic number, because the mean of its divisors is an integer number (168338345700).

Almost surely, 22120101220212 is an apocalyptic number.

It is an amenable number.

2120101220212 is a deficient number, since it is larger than the sum of its proper divisors (1920019076588).

2120101220212 is a wasteful number, since it uses less digits than its factorization.

2120101220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961933455 (or 961933453 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2120101220212 its reverse (2120221010212), we get a palindrome (4240322230424).

The spelling of 2120101220212 in words is "two trillion, one hundred twenty billion, one hundred one million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 19 29 38 58 76 116 551 1102 2204 961933403 1923866806 3847733612 18276734657 27896068687 36553469314 55792137374 73106938628 111584274748 530025305053 1060050610106 2120101220212