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1012200314421 = 31955731881329
BaseRepresentation
bin11101011101010111101…
…01110001011000110101
310120202122222110121120010
432232223311301120311
5113040441240030141
62052555353330433
7133062160466562
oct16565365613065
93522588417503
101012200314421
113602a976477a
12144207a06a19
13745b0a977ba
1436dc28c9869
151b4e28a4416
hexebabd71635

1012200314421 has 16 divisors (see below), whose sum is σ = 1423182571200. Its totient is φ = 638136661248.

The previous prime is 1012200314407. The next prime is 1012200314467. The reversal of 1012200314421 is 1244130022101.

It is not a de Polignac number, because 1012200314421 - 221 = 1012198217269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012200314821) 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, 15908916 + ... + 15972413.

It is an arithmetic number, because the mean of its divisors is an integer number (88948910700).

Almost surely, 21012200314421 is an apocalyptic number.

It is an amenable number.

1012200314421 is a deficient number, since it is larger than the sum of its proper divisors (410982256779).

1012200314421 is a wasteful number, since it uses less digits than its factorization.

1012200314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31881908.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1012200314421 its reverse (1244130022101), we get a palindrome (2256330336522).

The spelling of 1012200314421 in words is "one trillion, twelve billion, two hundred million, three hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 3 19 57 557 1671 10583 31749 31881329 95643987 605745251 1817235753 17757900253 53273700759 337400104807 1012200314421