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121223213322202 = 21272136112234233
BaseRepresentation
bin11011100100000001111010…
…100100011000111111011010
3120220012211022011110002120001
4123210001322210120333122
5111342110120102302302
61105453101515323214
734351042142651335
oct3344017244307732
9526184264402501
10121223213322202
1135697526701902
1211719a54a5050a
1352843b9043894
1421d134053561c
15e0346223c787
hex6e407a918fda

121223213322202 has 16 divisors (see below), whose sum is σ = 183267530191872. Its totient is φ = 60134041487520.

The previous prime is 121223213322181. The next prime is 121223213322241. The reversal of 121223213322202 is 202223312322121.

It is a super-2 number, since 2×1212232133222022 (a number of 29 digits) contains 22 as substring.

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, 53140078 + ... + 55374310.

It is an arithmetic number, because the mean of its divisors is an integer number (11454220636992).

Almost surely, 2121223213322202 is an apocalyptic number.

121223213322202 is a deficient number, since it is larger than the sum of its proper divisors (62044316869670).

121223213322202 is a wasteful number, since it uses less digits than its factorization.

121223213322202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447973.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 121223213322202 its reverse (202223312322121), we get a palindrome (323446525644323).

The spelling of 121223213322202 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, two hundred thirteen million, three hundred twenty-two thousand, two hundred two".

Divisors: 1 2 127 254 213611 427222 2234233 4468466 27128597 54257194 283747591 567495182 477256745363 954513490726 60611606661101 121223213322202