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121002322302 = 23262141108179
BaseRepresentation
bin111000010110001001…
…1001110100101111110
3102120022212012212012200
41300230103032211332
53440303043303202
6131330535412330
711512356524601
oct1605423164576
9376285185180
10121002322302
1147353724764
121b54b5240a6
13b544a585a4
145bdc4da338
153232e94e1c
hex1c2c4ce97e

121002322302 has 24 divisors (see below), whose sum is σ = 262178340840. Its totient is φ = 40333085520.

The previous prime is 121002322283. The next prime is 121002322303. The reversal of 121002322302 is 203223200121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002322303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1064449 + ... + 1172627.

It is an arithmetic number, because the mean of its divisors is an integer number (10924097535).

Almost surely, 2121002322302 is an apocalyptic number.

121002322302 is an abundant number, since it is smaller than the sum of its proper divisors (141176018538).

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

121002322302 is a wasteful number, since it uses less digits than its factorization.

121002322302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170328 (or 170325 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 121002322302 its reverse (203223200121), we get a palindrome (324225522423).

The spelling of 121002322302 in words is "one hundred twenty-one billion, two million, three hundred twenty-two thousand, three hundred two".

Divisors: 1 2 3 6 9 18 62141 108179 124282 186423 216358 324537 372846 559269 649074 973611 1118538 1947222 6722351239 13444702478 20167053717 40334107434 60501161151 121002322302