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10212012100100 = 2252102120121001
BaseRepresentation
bin1001010010011010101101…
…0110101000101000000100
31100011020222200101211220002
42110212223112220220010
52314303200044200400
633415200020100432
72102536115432306
oct224465326505004
940136880354802
1010212012100100
113287987670878
12118b1a6234718
13590cb0c87925
1427439a69b976
1512a987c27ed5
hex949ab5a8a04

10212012100100 has 18 divisors (see below), whose sum is σ = 22160066257434. Its totient is φ = 4084804840000.

The previous prime is 10212012100097. The next prime is 10212012100117. The reversal of 10212012100100 is 100121021201.

It can be written as a sum of positive squares in 3 ways, for example, as 10797703744 + 10201214396356 = 103912^2 + 3193934^2 .

It is a super-2 number, since 2×102120121001002 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51060060401 + ... + 51060060600.

Almost surely, 210212012100100 is an apocalyptic number.

10212012100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212012100100 is an abundant number, since it is smaller than the sum of its proper divisors (11948054157334).

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

10212012100100 is a wasteful number, since it uses less digits than its factorization.

10212012100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102120121015 (or 102120121008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10212012100100 its reverse (100121021201), we get a palindrome (10312133121301).

The spelling of 10212012100100 in words is "ten trillion, two hundred twelve billion, twelve million, one hundred thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 102120121001 204240242002 408480484004 510600605005 1021201210010 2042402420020 2553003025025 5106006050050 10212012100100