Search a number
-
+
12210102112220 = 2252785012192111
BaseRepresentation
bin1011000110101110001011…
…0011001000111111011100
31121020021102000021021001022
42301223202303020333130
53100022242120042340
641545124331303312
72400102466341515
oct261534263107734
947207360237038
1012210102112220
113988303364481
1214524965aab38
136a753b8cc24c
14302d87603a0c
1516292d1c33b5
hexb1ae2cc8fdc

12210102112220 has 24 divisors (see below), whose sum is σ = 25641318201408. Its totient is φ = 4884021080000.

The previous prime is 12210102112183. The next prime is 12210102112237. The reversal of 12210102112220 is 2221120101221.

It is a congruent number.

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, 4473965 + ... + 6666075.

It is an arithmetic number, because the mean of its divisors is an integer number (1068388258392).

Almost surely, 212210102112220 is an apocalyptic number.

12210102112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210102112220 is an abundant number, since it is smaller than the sum of its proper divisors (13431216089188).

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

12210102112220 is a wasteful number, since it uses less digits than its factorization.

12210102112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470621 (or 2470619 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12210102112220 its reverse (2221120101221), we get a palindrome (14431222213441).

The spelling of 12210102112220 in words is "twelve trillion, two hundred ten billion, one hundred two million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 278501 557002 1114004 1392505 2192111 2785010 4384222 5570020 8768444 10960555 21921110 43842220 610505105611 1221010211222 2442020422444 3052525528055 6105051056110 12210102112220