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122212020001200 = 24352373997168863
BaseRepresentation
bin11011110010011010110100…
…000010100001100110110000
3121000201100120210122220020120
4123302122310002201212300
5112004310204110014300
61111531232114210240
734512345533025423
oct3362326402414660
9530640523586216
10122212020001200
1135a38910258a88
1211859612283980
13532670c32884c
1422271441479ba
15e1e035e793a0
hex6f26b40a19b0

122212020001200 has 240 divisors, whose sum is σ = 402082433458176. Its totient is φ = 31707810892800.

The previous prime is 122212020001177. The next prime is 122212020001231. The reversal of 122212020001200 is 2100020212221.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a self number, because there is not a number n which added to its sum of digits gives 122212020001200.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1774677969 + ... + 1774746831.

Almost surely, 2122212020001200 is an apocalyptic number.

122212020001200 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 122212020001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201041216729088).

122212020001200 is an abundant number, since it is smaller than the sum of its proper divisors (279870413456976).

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

122212020001200 is a wasteful number, since it uses less digits than its factorization.

122212020001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108892 (or 108881 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122212020001200 its reverse (2100020212221), we get a palindrome (124312040213421).

The spelling of 122212020001200 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty million, one thousand, two hundred".