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1220222133108 = 22321119162177317
BaseRepresentation
bin10001110000011010111…
…010000010001101110100
311022122121101012220120100
4101300122322002031310
5124443003331224413
62332321243034100
7154105145666226
oct21603272021564
94278541186510
101220222133108
11430547645aa0
121785a1b0b930
138b0b2cc8c44
14430b8114416
1521b1a1d3a73
hex11c1ae82374

1220222133108 has 72 divisors (see below), whose sum is σ = 3541952625120. Its totient is φ = 350303002560.

The previous prime is 1220222133107. The next prime is 1220222133157. The reversal of 1220222133108 is 8013312220221.

1220222133108 is a `hidden beast` number, since 122 + 0 + 2 + 221 + 3 + 310 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220222133107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81081135 + ... + 81096182.

It is an arithmetic number, because the mean of its divisors is an integer number (49193786460).

Almost surely, 21220222133108 is an apocalyptic number.

1220222133108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1220222133108 is an abundant number, since it is smaller than the sum of its proper divisors (2321730492012).

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

1220222133108 is a wasteful number, since it uses less digits than its factorization.

1220222133108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162177357 (or 162177352 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1220222133108 its reverse (8013312220221), we get a palindrome (9233534353329).

The spelling of 1220222133108 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, one hundred thirty-three thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 11 12 18 19 22 33 36 38 44 57 66 76 99 114 132 171 198 209 228 342 396 418 627 684 836 1254 1881 2508 3762 7524 162177317 324354634 486531951 648709268 973063902 1459595853 1783950487 1946127804 2919191706 3081369023 3567900974 5351851461 5838383412 6162738046 7135801948 9244107069 10703702922 12325476092 16055554383 18488214138 21407405844 27732321207 32111108766 33895059253 36976428276 55464642414 64222217532 67790118506 101685177759 110929284828 135580237012 203370355518 305055533277 406740711036 610111066554 1220222133108