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220121010212000 = 2553832269929209
BaseRepresentation
bin110010000011001011101010…
…100111110000110010100000
31001212101100210200011021001212
4302003023222213300302200
5212322430312103241000
62100054110204245252
764236134556224342
oct6203135247606240
91055340720137055
10220121010212000
11641568837a3757
1220830b14b40828
1395a9425b31351
143c4dcb1433292
151a6acbc927c35
hexc832ea9f0ca0

220121010212000 has 192 divisors, whose sum is σ = 547396287984000. Its totient is φ = 86980769740800.

The previous prime is 220121010211939. The next prime is 220121010212057. The reversal of 220121010212000 is 212010121022.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7536053396 + ... + 7536082604.

It is an arithmetic number, because the mean of its divisors is an integer number (2851022333250).

Almost surely, 2220121010212000 is an apocalyptic number.

220121010212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220121010212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273698143992000).

220121010212000 is an abundant number, since it is smaller than the sum of its proper divisors (327275277772000).

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

220121010212000 is a wasteful number, since it uses less digits than its factorization.

220121010212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52016 (or 51998 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220121010212000 its reverse (212010121022), we get a palindrome (220333020333022).

The spelling of 220121010212000 in words is "two hundred twenty trillion, one hundred twenty-one billion, ten million, two hundred twelve thousand".