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12202101020 = 2254114880611
BaseRepresentation
bin10110101110100110…
…10100100100011100
31011111101101221211102
423113103110210130
5144442214213040
65334445212232
7611244101354
oct132723244434
934441357742
1012202101020
1151a184a10a
122446561078
1311c5ca6225
1483a7c9b64
154b6392515
hex2d74d491c

12202101020 has 24 divisors (see below), whose sum is σ = 26249399568. Its totient is φ = 4761795200.

The previous prime is 12202101019. The next prime is 12202101077. The reversal of 12202101020 is 2010120221.

It is a happy number.

12202101020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12202100992 and 12202101010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7439486 + ... + 7441125.

It is an arithmetic number, because the mean of its divisors is an integer number (1093724982).

Almost surely, 212202101020 is an apocalyptic number.

12202101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202101020 is an abundant number, since it is smaller than the sum of its proper divisors (14047298548).

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

12202101020 is a wasteful number, since it uses less digits than its factorization.

12202101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14880661 (or 14880659 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12202101020 its reverse (2010120221), we get a palindrome (14212221241).

The spelling of 12202101020 in words is "twelve billion, two hundred two million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 14880611 29761222 59522444 74403055 148806110 297612220 610105051 1220210102 2440420204 3050525255 6101050510 12202101020