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121202102202212 = 22157677574349639
BaseRepresentation
bin11011100011101110010000…
…001111110110111101100100
3120220010210210220011002020002
4123203232100033312331210
5111341233401130432322
61105435251015000432
734346364036255503
oct3343562017667544
9526123726132202
10121202102202212
1135689582a629a9
1211715942969118
1352824033c39c5
1421d02da85883a
15e02b28b90c92
hex6e3b903f6f64

121202102202212 has 48 divisors (see below), whose sum is σ = 213811482554880. Its totient is φ = 60114432673152.

The previous prime is 121202102202197. The next prime is 121202102202253. The reversal of 121202102202212 is 212202201202121.

It is a super-4 number, since 4×1212021022022124 (a number of 57 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2441646089 + ... + 2441695727.

It is an arithmetic number, because the mean of its divisors is an integer number (4454405886560).

Almost surely, 2121202102202212 is an apocalyptic number.

It is an amenable number.

121202102202212 is a deficient number, since it is larger than the sum of its proper divisors (92609380352668).

121202102202212 is a wasteful number, since it uses less digits than its factorization.

121202102202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56220 (or 56218 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121202102202212 its reverse (212202201202121), we get a palindrome (333404303404333).

The spelling of 121202102202212 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred two million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 4 157 314 628 677 1354 2708 5743 11486 22972 49639 99278 106289 198556 212578 425156 901651 1803302 3606604 3888011 7776022 7793323 15552044 15586646 31173292 33605603 67211206 134422412 285076777 570153554 610417727 1140307108 1220835454 2441670908 5276079671 10552159342 21104318684 44757053989 89514107978 179028215956 192996978029 385993956058 771987912116 30300525550553 60601051101106 121202102202212