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12122212022202 = 234973406267579
BaseRepresentation
bin1011000001100110110000…
…1001000011011110111010
31120220212112210120002022010
42300121230021003132322
53042102242234202302
641440511201510350
72360541500035152
oct260315411033672
946825483502263
1012122212022202
11395400172aa47
1214394483423b6
1369c172c57719
142dca0aa11762
151604d71ba16c
hexb066c2437ba

12122212022202 has 16 divisors (see below), whose sum is σ = 24249299315040. Its totient is φ = 4039924795632.

The previous prime is 12122212022149. The next prime is 12122212022243. The reversal of 12122212022202 is 20222021222121.

It is a super-2 number, since 2×121222120222022 (a number of 27 digits) contains 22 as substring.

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, 203103952 + ... + 203163627.

It is an arithmetic number, because the mean of its divisors is an integer number (1515581207190).

Almost surely, 212122212022202 is an apocalyptic number.

12122212022202 is an abundant number, since it is smaller than the sum of its proper divisors (12127087292838).

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

12122212022202 is a wasteful number, since it uses less digits than its factorization.

12122212022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406272557.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12122212022202 its reverse (20222021222121), we get a palindrome (32344233244323).

The spelling of 12122212022202 in words is "twelve trillion, one hundred twenty-two billion, two hundred twelve million, twenty-two thousand, two hundred two".

Divisors: 1 2 3 6 4973 9946 14919 29838 406267579 812535158 1218802737 2437605474 2020368670367 4040737340734 6061106011101 12122212022202