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10012032121021 = 722319793240959
BaseRepresentation
bin1001000110110001101110…
…0111100011100010111101
31022110010210201210022221021
42101230123213203202331
52303014120210333041
633143244123104141
72052226326602320
oct221543347434275
938403721708837
1010012032121021
113210096134697
121158495372051
13578190b58568
1426882910c7b7
1512568140acd1
hex91b1b9e38bd

10012032121021 has 16 divisors (see below), whose sum is σ = 11499444633600. Its totient is φ = 8538939078768.

The previous prime is 10012032121009. The next prime is 10012032121033. The reversal of 10012032121021 is 12012123021001.

It is an interprime number because it is at equal distance from previous prime (10012032121009) and next prime (10012032121033).

It is not a de Polignac number, because 10012032121021 - 211 = 10012032118973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10012032120986 and 10012032121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012032121921) 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, 1468740 + ... + 4709698.

It is an arithmetic number, because the mean of its divisors is an integer number (718715289600).

Almost surely, 210012032121021 is an apocalyptic number.

It is an amenable number.

10012032121021 is a deficient number, since it is larger than the sum of its proper divisors (1487412512579).

10012032121021 is a wasteful number, since it uses less digits than its factorization.

10012032121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243168.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10012032121021 its reverse (12012123021001), we get a palindrome (22024155142022).

The spelling of 10012032121021 in words is "ten trillion, twelve billion, thirty-two million, one hundred twenty-one thousand, twenty-one".

Divisors: 1 7 223 1561 1979 13853 441317 3089219 3240959 22686713 722733857 5059136999 6413857861 44897005027 1430290303003 10012032121021