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122020210121120 = 2554373174394309
BaseRepresentation
bin11011101111101000001011…
…010001111001100110100000
3121000001000111020112102010222
4123233220023101321212200
5111443134342242333440
61111303151034542212
734462445361656153
oct3357501321714640
9530030436472128
10122020210121120
113597453160a133
1211828401597968
1353115c1a5799c
14221bb49a9dc9a
15e1905ba572b5
hex6efa0b4799a0

122020210121120 has 48 divisors (see below), whose sum is σ = 288338669113320. Its totient is φ = 48796922532864.

The previous prime is 122020210121111. The next prime is 122020210121213. The reversal of 122020210121120 is 21121012020221.

It can be written as a sum of positive squares in 4 ways, for example, as 117243764903056 + 4776445218064 = 10827916^2 + 2185508^2 .

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, 86497475 + ... + 87896834.

Almost surely, 2122020210121120 is an apocalyptic number.

122020210121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020210121120 is an abundant number, since it is smaller than the sum of its proper divisors (166318458992200).

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

122020210121120 is a wasteful number, since it uses less digits than its factorization.

122020210121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174398697 (or 174398689 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122020210121120 its reverse (21121012020221), we get a palindrome (143141222141341).

The spelling of 122020210121120 in words is "one hundred twenty-two trillion, twenty billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 4373 8746 17492 21865 34984 43730 69968 87460 139936 174920 349840 699680 174394309 348788618 697577236 871971545 1395154472 1743943090 2790308944 3487886180 5580617888 6975772360 13951544720 27903089440 762626313257 1525252626514 3050505253028 3813131566285 6101010506056 7626263132570 12202021012112 15252526265140 24404042024224 30505052530280 61010105060560 122020210121120