Search a number
-
+
1220001210210 = 23570657575551
BaseRepresentation
bin10001110000001101101…
…111010001111101100010
311022122000222111212022210
4101300031233101331202
5124442030302211320
62332243311542550
7154066524120156
oct21601557217542
94278028455283
101220001210210
11430443972392
1217853bb2aa56
138b0792c7433
1443096a47066
1521b05ae50e0
hex11c0dbd1f62

1220001210210 has 32 divisors (see below), whose sum is σ = 2928049431552. Its totient is φ = 325328486400.

The previous prime is 1220001210149. The next prime is 1220001210289. The reversal of 1220001210210 is 120121000221.

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, 1831935 + ... + 2407485.

It is an arithmetic number, because the mean of its divisors is an integer number (91501544736).

Almost surely, 21220001210210 is an apocalyptic number.

1220001210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220001210210 is an abundant number, since it is smaller than the sum of its proper divisors (1708048221342).

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

1220001210210 is a wasteful number, since it uses less digits than its factorization.

1220001210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646218.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1220001210210 its reverse (120121000221), we get a palindrome (1340122210431).

The spelling of 1220001210210 in words is "one trillion, two hundred twenty billion, one million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 70657 141314 211971 353285 423942 575551 706570 1059855 1151102 1726653 2119710 2877755 3453306 5755510 8633265 17266530 40666707007 81333414014 122000121021 203333535035 244000242042 406667070070 610000605105 1220001210210