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1012200220101 = 3726885715783
BaseRepresentation
bin11101011101010111101…
…01011010010111000101
310120202122222021211011210
432232223311122113011
5113040441224020401
62052555351322033
7133062156624600
oct16565365322705
93522588254153
101012200220101
113602a96aa924
12144207980319
13745b0a638a5
1436dc28a3337
151b4e28864d6
hexebabd5a5c5

1012200220101 has 12 divisors (see below), whose sum is σ = 1569943198752. Its totient is φ = 578400125688.

The previous prime is 1012200220081. The next prime is 1012200220111. The reversal of 1012200220101 is 1010220022101.

It is not a de Polignac number, because 1012200220101 - 27 = 1012200219973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012200220111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3442857745 + ... + 3442858038.

It is an arithmetic number, because the mean of its divisors is an integer number (130828599896).

Almost surely, 21012200220101 is an apocalyptic number.

It is an amenable number.

1012200220101 is a deficient number, since it is larger than the sum of its proper divisors (557742978651).

1012200220101 is an equidigital number, since it uses as much as digits as its factorization.

1012200220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885715800 (or 6885715793 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1012200220101 its reverse (1010220022101), we get a palindrome (2022420242202).

The spelling of 1012200220101 in words is "one trillion, twelve billion, two hundred million, two hundred twenty thousand, one hundred one".

Divisors: 1 3 7 21 49 147 6885715783 20657147349 48200010481 144600031443 337400073367 1012200220101