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120201212111200 = 255211219312108231
BaseRepresentation
bin11011010101001010000110…
…100011001010100101100000
3120202121010100010212100102021
4123111022012203022211200
5111223334040300024300
61103351401410431224
734214152043001103
oct3325120643124540
9522533303770367
10120201212111200
1135333058663500
1211593972892514
13520bc058c0abc
142197aac11473a
15dd6a99208d1a
hex6d52868ca960

120201212111200 has 432 divisors, whose sum is σ = 350471138411520. Its totient is φ = 40073235840000.

The previous prime is 120201212111179. The next prime is 120201212111359. The reversal of 120201212111200 is 2111212102021.

It is a super-2 number, since 2×1202012121112002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 55961085 + ... + 58069315.

It is an arithmetic number, because the mean of its divisors is an integer number (811275783360).

Almost surely, 2120201212111200 is an apocalyptic number.

120201212111200 is a gapful number since it is divisible by the number (10) 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 120201212111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175235569205760).

120201212111200 is an abundant number, since it is smaller than the sum of its proper divisors (230269926300320).

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

120201212111200 is a wasteful number, since it uses less digits than its factorization.

120201212111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108323 (or 2108299 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120201212111200 its reverse (2111212102021), we get a palindrome (122312424213221).

The spelling of 120201212111200 in words is "one hundred twenty trillion, two hundred one billion, two hundred twelve million, one hundred eleven thousand, two hundred".