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121214120133 = 3211563340127
BaseRepresentation
bin111000011100011101…
…1001011000011000101
3102120212121202022012210
41300320323023003011
53441221303321013
6131403543134033
711520541010151
oct1607073130305
9376777668183
10121214120133
1147452235597
121b5aa444319
13b5798b3852
145c1c6b0061
15324687ecc3
hex1c38ecb0c5

121214120133 has 16 divisors (see below), whose sum is σ = 162673698816. Its totient is φ = 80283341040.

The previous prime is 121214120123. The next prime is 121214120141. The reversal of 121214120133 is 331021412121.

It is not a de Polignac number, because 121214120133 - 216 = 121214054597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121214120113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186316 + ... + 526442.

It is an arithmetic number, because the mean of its divisors is an integer number (10167106176).

Almost surely, 2121214120133 is an apocalyptic number.

It is an amenable number.

121214120133 is a deficient number, since it is larger than the sum of its proper divisors (41459578683).

121214120133 is a wasteful number, since it uses less digits than its factorization.

121214120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340904.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121214120133 its reverse (331021412121), we get a palindrome (452235532254).

The spelling of 121214120133 in words is "one hundred twenty-one billion, two hundred fourteen million, one hundred twenty thousand, one hundred thirty-three".

Divisors: 1 3 211 563 633 1689 118793 340127 356379 1020381 71766797 191491501 215300391 574474503 40404706711 121214120133