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12020112221010 = 2352541115767597
BaseRepresentation
bin1010111011101010011010…
…0001001110001101010010
31120120010000021202210022220
42232322212201032031102
53033414142212033020
641321544024441510
72350265405041245
oct256724641161522
946503007683286
1012020112221010
113914778a92163
1214216b3319296
136926513c978a
142d7ac2b5725c
1515ca0d957240
hexaeea684e352

12020112221010 has 32 divisors (see below), whose sum is σ = 28849406427072. Its totient is φ = 3205236914880.

The previous prime is 12020112221003. The next prime is 12020112221011. The reversal of 12020112221010 is 1012221102021.

12020112221010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (12020112221011) 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, 7121469 + ... + 8646128.

It is an arithmetic number, because the mean of its divisors is an integer number (901543950846).

Almost surely, 212020112221010 is an apocalyptic number.

12020112221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020112221010 is an abundant number, since it is smaller than the sum of its proper divisors (16829294206062).

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

12020112221010 is a wasteful number, since it uses less digits than its factorization.

12020112221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15793018.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12020112221010 its reverse (1012221102021), we get a palindrome (13032333323031).

The spelling of 12020112221010 in words is "twelve trillion, twenty billion, one hundred twelve million, two hundred twenty-one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 25411 50822 76233 127055 152466 254110 381165 762330 15767597 31535194 47302791 78837985 94605582 157675970 236513955 473027910 400670407367 801340814734 1202011222101 2003352036835 2404022444202 4006704073670 6010056110505 12020112221010