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200120120212 = 22431163489071
BaseRepresentation
bin1011101001100000010…
…1101011001110010100
3201010112201022102110011
42322120011223032110
511234321222321322
6231533420410004
720313106645465
oct2723005531624
9633481272404
10200120120212
1177963655301
123294b9a6904
1315b43188a1c
14998602cd6c
155313ca0677
hex2e9816b394

200120120212 has 12 divisors (see below), whose sum is σ = 358354634176. Its totient is φ = 97733081880.

The previous prime is 200120120201. The next prime is 200120120339. The reversal of 200120120212 is 212021021002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200120120192 and 200120120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581744364 + ... + 581744707.

Almost surely, 2200120120212 is an apocalyptic number.

It is an amenable number.

200120120212 is a deficient number, since it is larger than the sum of its proper divisors (158234513964).

200120120212 is a wasteful number, since it uses less digits than its factorization.

200120120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163489118 (or 1163489116 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200120120212 its reverse (212021021002), we get a palindrome (412141141214).

The spelling of 200120120212 in words is "two hundred billion, one hundred twenty million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 43 86 172 1163489071 2326978142 4653956284 50030030053 100060060106 200120120212