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1202120211012 = 223714310954893
BaseRepresentation
bin10001011111100011111…
…100101011101001000100
311020220212211020222201020
4101133203330223221010
5124143420233223022
62320125120031140
7152564442125160
oct21374374535104
94226784228636
101202120211012
114238a8579aa6
12174b8b7624b0
1389489931036
144227bd55ca0
152140ade635c
hex117e3f2ba44

1202120211012 has 24 divisors (see below), whose sum is σ = 3205653896256. Its totient is φ = 343462917408.

The previous prime is 1202120210981. The next prime is 1202120211037. The reversal of 1202120211012 is 2101120212021.

It is a junction number, because it is equal to n+sod(n) for n = 1202120210982 and 1202120211000.

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, 7155477363 + ... + 7155477530.

It is an arithmetic number, because the mean of its divisors is an integer number (133568912344).

Almost surely, 21202120211012 is an apocalyptic number.

1202120211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202120211012 is an abundant number, since it is smaller than the sum of its proper divisors (2003533685244).

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

1202120211012 is a wasteful number, since it uses less digits than its factorization.

1202120211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14310954907 (or 14310954905 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1202120211012 its reverse (2101120212021), we get a palindrome (3303240423033).

The spelling of 1202120211012 in words is "one trillion, two hundred two billion, one hundred twenty million, two hundred eleven thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 14310954893 28621909786 42932864679 57243819572 85865729358 100176684251 171731458716 200353368502 300530052753 400706737004 601060105506 1202120211012