Search a number
-
+
121230223021010 = 2528283514286251
BaseRepresentation
bin11011100100001000011100…
…011000010001001111010010
3120220020111101200102200121102
4123210020130120101033102
5111342213444043133020
61105500221241424402
734351410640264115
oct3344103430211722
9526214350380542
10121230223021010
113569a4a3480314
121171b29049b102
135284c6536425c
1421d180749857c
15e03722820475
hex6e421c6113d2

121230223021010 has 16 divisors (see below), whose sum is σ = 218214529500672. Its totient is φ = 48492060750000.

The previous prime is 121230223020979. The next prime is 121230223021021. The reversal of 121230223021010 is 10120322032121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26140385 + ... + 30426635.

It is an arithmetic number, because the mean of its divisors is an integer number (13638408093792).

Almost surely, 2121230223021010 is an apocalyptic number.

121230223021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121230223021010 is a deficient number, since it is larger than the sum of its proper divisors (96984306479662).

121230223021010 is a wasteful number, since it uses less digits than its factorization.

121230223021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7114609.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121230223021010 its reverse (10120322032121), we get a palindrome (131350545053131).

The spelling of 121230223021010 in words is "one hundred twenty-one trillion, two hundred thirty billion, two hundred twenty-three million, twenty-one thousand, ten".

Divisors: 1 2 5 10 2828351 4286251 5656702 8572502 14141755 21431255 28283510 42862510 12123022302101 24246044604202 60615111510505 121230223021010