Base | Representation |
---|---|
bin | 10001011110100001010… |
… | …011100000011111111010 |
3 | 11020210222220101010211211 |
4 | 101132201103200133322 |
5 | 124134123020334320 |
6 | 2315422135313334 |
7 | 152524644410143 |
oct | 21364123403772 |
9 | 4223886333754 |
10 | 1201002121210 |
11 | 423384429641 |
12 | 17491921b84a |
13 | 8933c0b8538 |
14 | 421b3668aca |
15 | 21392b8a55a |
hex | 117a14e07fa |
1201002121210 has 32 divisors (see below), whose sum is σ = 2239595684352. Its totient is φ = 463225659840.
The previous prime is 1201002121171. The next prime is 1201002121283. The reversal of 1201002121210 is 121212001021.
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, 6907272 + ... + 7079011.
It is an arithmetic number, because the mean of its divisors is an integer number (69987365136).
Almost surely, 21201002121210 is an apocalyptic number.
1201002121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1201002121210 is a deficient number, since it is larger than the sum of its proper divisors (1038593563142).
1201002121210 is a wasteful number, since it uses less digits than its factorization.
1201002121210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13986598.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 1201002121210 its reverse (121212001021), we get a palindrome (1322214122231).
The spelling of 1201002121210 in words is "one trillion, two hundred one billion, two million, one hundred twenty-one thousand, two hundred ten".
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