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10210122001220 = 225510506100061
BaseRepresentation
bin1001010010010011101010…
…1100011110101101000100
31100011002002221211212122212
42110210322230132231010
52314240312213014340
633414244300442552
72102441225031041
oct224447254365504
940132087755585
1010210122001220
1132870a7768589
12118a959249458
13590a6c50c91b
1427425b6501c8
1512a8c6d23a65
hex9493ab1eb44

10210122001220 has 12 divisors (see below), whose sum is σ = 21441256202604. Its totient is φ = 4084048800480.

The previous prime is 10210122001193. The next prime is 10210122001273. The reversal of 10210122001220 is 2210022101201.

It can be written as a sum of positive squares in 2 ways, for example, as 1267641802816 + 8942480198404 = 1125896^2 + 2990398^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10210122001195 and 10210122001204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255253050011 + ... + 255253050050.

It is an arithmetic number, because the mean of its divisors is an integer number (1786771350217).

Almost surely, 210210122001220 is an apocalyptic number.

10210122001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210122001220 is an abundant number, since it is smaller than the sum of its proper divisors (11231134201384).

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

10210122001220 is a wasteful number, since it uses less digits than its factorization.

10210122001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510506100070 (or 510506100068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10210122001220 its reverse (2210022101201), we get a palindrome (12420144102421).

The spelling of 10210122001220 in words is "ten trillion, two hundred ten billion, one hundred twenty-two million, one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 510506100061 1021012200122 2042024400244 2552530500305 5105061000610 10210122001220