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10210012101220 = 225510500605061
BaseRepresentation
bin1001010010010011010000…
…1001001111101001100100
31100011001211022001101012111
42110210310021033221210
52314240101044214340
633414225333130404
72102435421633631
oct224446411175144
940131738041174
1010210012101220
113287050725038
12118a928489a04
13590a52810c39
1427424ac03188
1512a8bc365aea
hex9493424fa64

10210012101220 has 12 divisors (see below), whose sum is σ = 21441025412604. Its totient is φ = 4084004840480.

The previous prime is 10210012101203. The next prime is 10210012101301. The reversal of 10210012101220 is 2210121001201.

It can be written as a sum of positive squares in 2 ways, for example, as 2906268029284 + 7303744071936 = 1704778^2 + 2702544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10210012101220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255250302511 + ... + 255250302550.

It is an arithmetic number, because the mean of its divisors is an integer number (1786752117717).

Almost surely, 210210012101220 is an apocalyptic number.

10210012101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210012101220 is an abundant number, since it is smaller than the sum of its proper divisors (11231013311384).

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

10210012101220 is a wasteful number, since it uses less digits than its factorization.

10210012101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510500605070 (or 510500605068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10210012101220 its reverse (2210121001201), we get a palindrome (12420133102421).

The spelling of 10210012101220 in words is "ten trillion, two hundred ten billion, twelve million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 510500605061 1021001210122 2042002420244 2552503025305 5105006050610 10210012101220