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1202121122230 = 257171636197459
BaseRepresentation
bin10001011111100100000…
…000001010000110110110
311020220212212222021200001
4101133210000022012312
5124143421001402410
62320125151341514
7152564452641610
oct21374400120666
94226785867601
101202121122230
114238a9041676
12174b8bb2189a
1389489b8ca12
144227c111db0
152140b02633a
hex117e400a1b6

1202121122230 has 64 divisors (see below), whose sum is σ = 2634465876480. Its totient is φ = 385531467264.

The previous prime is 1202121122221. The next prime is 1202121122249. The reversal of 1202121122230 is 322211212021.

It is a junction number, because it is equal to n+sod(n) for n = 1202121122198 and 1202121122207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2904760 + ... + 3292699.

It is an arithmetic number, because the mean of its divisors is an integer number (41163529320).

Almost surely, 21202121122230 is an apocalyptic number.

1202121122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202121122230 is an abundant number, since it is smaller than the sum of its proper divisors (1432344754250).

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

1202121122230 is a wasteful number, since it uses less digits than its factorization.

1202121122230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6197653.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1202121122230 its reverse (322211212021), we get a palindrome (1524332334251).

The spelling of 1202121122230 in words is "one trillion, two hundred two billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 163 170 238 326 595 815 1141 1190 1630 2282 2771 5542 5705 11410 13855 19397 27710 38794 96985 193970 6197459 12394918 30987295 43382213 61974590 86764426 105356803 210713606 216911065 433822130 526784015 737497621 1010185817 1053568030 1474995242 2020371634 3687488105 5050929085 7071300719 7374976210 10101858170 14142601438 17173158889 34346317778 35356503595 70713007190 85865794445 120212112223 171731588890 240424224446 601060561115 1202121122230