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121222000100120 = 2354017557481303
BaseRepresentation
bin11011100100000000110010…
…010000010100001100011000
3120220012201011121120000201212
4123210000302100110030120
5111342100124011200440
61105452341300002252
734351000111513613
oct3344006220241430
9526181147500655
10121222000100120
1135696a63895127
1211719776690388
1352842548a00aa
1421d126736317a
15e033e098e465
hex6e4032414318

121222000100120 has 32 divisors (see below), whose sum is σ = 273429673578720. Its totient is φ = 48367880332800.

The previous prime is 121222000100119. The next prime is 121222000100191. The reversal of 121222000100120 is 21001000222121.

121222000100120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121222000100095 and 121222000100104.

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, 3778724612 + ... + 3778756691.

It is an arithmetic number, because the mean of its divisors is an integer number (8544677299335).

Almost surely, 2121222000100120 is an apocalyptic number.

121222000100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121222000100120 is an abundant number, since it is smaller than the sum of its proper divisors (152207673478600).

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

121222000100120 is a wasteful number, since it uses less digits than its factorization.

121222000100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7557481715 (or 7557481711 counting only the distinct ones).

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

Adding to 121222000100120 its reverse (21001000222121), we get a palindrome (142223000322241).

The spelling of 121222000100120 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 401 802 1604 2005 3208 4010 8020 16040 7557481303 15114962606 30229925212 37787406515 60459850424 75574813030 151149626060 302299252120 3030550002503 6061100005006 12122200010012 15152750012515 24244400020024 30305500025030 60611000050060 121222000100120