Search a number
-
+
1201002121210 = 253127713986283
BaseRepresentation
bin10001011110100001010…
…011100000011111111010
311020210222220101010211211
4101132201103200133322
5124134123020334320
62315422135313334
7152524644410143
oct21364123403772
94223886333754
101201002121210
11423384429641
1217491921b84a
138933c0b8538
14421b3668aca
1521392b8a55a
hex117a14e07fa

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".

Divisors: 1 2 5 10 31 62 155 277 310 554 1385 2770 8587 17174 42935 85870 13986283 27972566 69931415 139862830 433574773 867149546 2167873865 3874200391 4335747730 7748400782 19371001955 38742003910 120100212121 240200424242 600501060605 1201002121210