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12030202200220 = 225773778150207
BaseRepresentation
bin1010111100001111111111…
…1011011100000010011100
31120121002001110211211201121
42233003333323130002130
53034100323230401340
641330333144020324
72351103424331251
oct257037773340234
946532043754647
1012030202200220
113918a86573956
12142364a4616a4
1369359b92c589
142d839cc1d428
1515cdee68a94a
hexaf0ffedc09c

12030202200220 has 24 divisors (see below), whose sum is σ = 25296106961664. Its totient is φ = 4805855672256.

The previous prime is 12030202200151. The next prime is 12030202200221. The reversal of 12030202200220 is 2200220203021.

It is a junction number, because it is equal to n+sod(n) for n = 12030202200194 and 12030202200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030202200221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389059644 + ... + 389090563.

It is an arithmetic number, because the mean of its divisors is an integer number (1054004456736).

Almost surely, 212030202200220 is an apocalyptic number.

12030202200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12030202200220 is an abundant number, since it is smaller than the sum of its proper divisors (13265904761444).

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

12030202200220 is a wasteful number, since it uses less digits than its factorization.

12030202200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778150989 (or 778150987 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12030202200220 its reverse (2200220203021), we get a palindrome (14230422403241).

The spelling of 12030202200220 in words is "twelve trillion, thirty billion, two hundred two million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 773 1546 3092 3865 7730 15460 778150207 1556300414 3112600828 3890751035 7781502070 15563004140 601510110011 1203020220022 2406040440044 3007550550055 6015101100110 12030202200220