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122002102220 = 2259437646403
BaseRepresentation
bin111000110011111100…
…1000101011111001100
3102122220112110221102112
41301213321011133030
53444330014232340
6132014052243152
711546216521055
oct1614771053714
9378815427375
10122002102220
1147817008159
121b78a3104b8
13b673c1953b
145c951cb72c
153290b31065
hex1c67e457cc

122002102220 has 24 divisors (see below), whose sum is σ = 256231959984. Its totient is φ = 48795594176.

The previous prime is 122002102171. The next prime is 122002102231. The reversal of 122002102220 is 22201200221.

It is a junction number, because it is equal to n+sod(n) for n = 122002102195 and 122002102204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134462 + ... + 511941.

It is an arithmetic number, because the mean of its divisors is an integer number (10676331666).

Almost surely, 2122002102220 is an apocalyptic number.

122002102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122002102220 is an abundant number, since it is smaller than the sum of its proper divisors (134229857764).

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

122002102220 is a wasteful number, since it uses less digits than its factorization.

122002102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655849 (or 655847 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 122002102220 its reverse (22201200221), we get a palindrome (144203302441).

The spelling of 122002102220 in words is "one hundred twenty-two billion, two million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 9437 18874 37748 47185 94370 188740 646403 1292806 2585612 3232015 6464030 12928060 6100105111 12200210222 24400420444 30500525555 61001051110 122002102220