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10021242012122 = 2113725034918541
BaseRepresentation
bin1001000111010100000010…
…0100100000000111011010
31022111000120120211021102002
42101311000210200013122
52303142000423341442
633151410043041002
72053003501434635
oct221650044400732
938430516737362
1010021242012122
113213a91954140
12115a225810162
13578ccac46c73
1426906035cc1c
15125a1ec47732
hex91d409201da

10021242012122 has 32 divisors (see below), whose sum is σ = 16848327901824. Its totient is φ = 4430227348800.

The previous prime is 10021242012113. The next prime is 10021242012127. The reversal of 10021242012122 is 22121024212001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10021242012094 and 10021242012103.

It is not an unprimeable number, because it can be changed into a prime (10021242012127) 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, 421829 + ... + 4496712.

It is an arithmetic number, because the mean of its divisors is an integer number (526510246932).

Almost surely, 210021242012122 is an apocalyptic number.

10021242012122 is a deficient number, since it is larger than the sum of its proper divisors (6827085889702).

10021242012122 is a wasteful number, since it uses less digits than its factorization.

10021242012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921094.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10021242012122 its reverse (22121024212001), we get a palindrome (32142266224123).

The spelling of 10021242012122 in words is "ten trillion, twenty-one billion, two hundred forty-two million, twelve thousand, one hundred twenty-two".

Divisors: 1 2 11 22 37 74 407 814 2503 5006 27533 55066 92611 185222 1018721 2037442 4918541 9837082 54103951 108207902 181986017 363972034 2001846187 4003692374 12311108123 24622216246 135422189353 270844378706 455511000551 911022001102 5010621006061 10021242012122