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1012220103210 = 235291163471383
BaseRepresentation
bin11101011101011010000…
…01010000101000101010
310120202201100200222200020
432232231001100220222
5113041011321300320
62053001341421310
7133062520626051
oct16565501205052
93522640628606
101012220103210
11360309950348
1214421256a836
13745b4c05a44
1436dc539b398
151b4e44b2940
hexebad050a2a

1012220103210 has 32 divisors (see below), whose sum is σ = 2513098189440. Its totient is φ = 260617589568.

The previous prime is 1012220103179. The next prime is 1012220103217. The reversal of 1012220103210 is 123010222101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1012220103210.

It is not an unprimeable number, because it can be changed into a prime (1012220103217) 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, 581734822 + ... + 581736561.

It is an arithmetic number, because the mean of its divisors is an integer number (78534318420).

Almost surely, 21012220103210 is an apocalyptic number.

1012220103210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012220103210 is an abundant number, since it is smaller than the sum of its proper divisors (1500878086230).

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

1012220103210 is a wasteful number, since it uses less digits than its factorization.

1012220103210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163471422.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1012220103210 its reverse (123010222101), we get a palindrome (1135230325311).

The spelling of 1012220103210 in words is "one trillion, twelve billion, two hundred twenty million, one hundred three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 1163471383 2326942766 3490414149 5817356915 6980828298 11634713830 17452070745 33740670107 34904141490 67481340214 101222010321 168703350535 202444020642 337406701070 506110051605 1012220103210