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12020222002020 = 2235892250977903
BaseRepresentation
bin1010111011101010110100…
…0100000000001101100100
31120120010021221100020120020
42232322231010000031210
53033414403313031040
641322002545435140
72350301210131431
oct256725504001544
946503257306506
1012020222002020
113914824a54271
12142172403bab0
1369266b08625b
142d7ad3572b88
1515ca183decd0
hexaeead100364

12020222002020 has 48 divisors (see below), whose sum is σ = 34034785908480. Its totient is φ = 3169376886016.

The previous prime is 12020222001989. The next prime is 12020222002043. The reversal of 12020222002020 is 2020022202021.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125483612 + ... + 1125494291.

It is an arithmetic number, because the mean of its divisors is an integer number (709058039760).

Almost surely, 212020222002020 is an apocalyptic number.

12020222002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020222002020 is an abundant number, since it is smaller than the sum of its proper divisors (22014563906460).

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

12020222002020 is a wasteful number, since it uses less digits than its factorization.

12020222002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250978004 (or 2250978002 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 12020222002020 its reverse (2020022202021), we get a palindrome (14040244204041).

The spelling of 12020222002020 in words is "twelve trillion, twenty billion, two hundred twenty-two million, two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1780 2670 5340 2250977903 4501955806 6752933709 9003911612 11254889515 13505867418 22509779030 27011734836 33764668545 45019558060 67529337090 135058674180 200337033367 400674066734 601011100101 801348133468 1001685166835 1202022200202 2003370333670 2404044400404 3005055500505 4006740667340 6010111001010 12020222002020