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12001222313020 = 225610198354551
BaseRepresentation
bin1010111010100100000010…
…0101111100010000111100
31120111022020211002001001001
42232221000211330100330
53033112000403004040
641305141352300044
72346026322342223
oct256510045742074
946438224061031
1012001222313020
113907765140756
121419b010a1624
136909309c7225
142d6c10079cba
1515c2a53b759a
hexaea4097c43c

12001222313020 has 24 divisors (see below), whose sum is σ = 25206698004768. Its totient is φ = 4799702040000.

The previous prime is 12001222313011. The next prime is 12001222313071. The reversal of 12001222313020 is 2031322210021.

It is a congruent number.

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, 49055256 + ... + 49299295.

It is an arithmetic number, because the mean of its divisors is an integer number (1050279083532).

Almost surely, 212001222313020 is an apocalyptic number.

12001222313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001222313020 is an abundant number, since it is smaller than the sum of its proper divisors (13205475691748).

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

12001222313020 is a wasteful number, since it uses less digits than its factorization.

12001222313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98360661 (or 98360659 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12001222313020 its reverse (2031322210021), we get a palindrome (14032544523041).

The spelling of 12001222313020 in words is "twelve trillion, one billion, two hundred twenty-two million, three hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 6101 12202 24404 30505 61010 122020 98354551 196709102 393418204 491772755 983545510 1967091020 600061115651 1200122231302 2400244462604 3000305578255 6000611156510 12001222313020