Search a number
-
+
1220132012 = 2211223124351
BaseRepresentation
bin100100010111001…
…1011110010101100
310011000220010110112
41020232123302230
54444323211022
6321023355152
742143644121
oct11056336254
93130803415
101220132012
11576807270
122a0752ab8
13165a22a08
14b8090748
15721b58e2
hex48b9bcac

1220132012 has 24 divisors (see below), whose sum is σ = 2339807232. Its totient is φ = 552114000.

The previous prime is 1220131999. The next prime is 1220132047. The reversal of 1220132012 is 2102310221.

It is a happy 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, 52364 + ... + 71987.

It is an arithmetic number, because the mean of its divisors is an integer number (97491968).

Almost surely, 21220132012 is an apocalyptic number.

It is an amenable number.

1220132012 is a deficient number, since it is larger than the sum of its proper divisors (1119675220).

1220132012 is a wasteful number, since it uses less digits than its factorization.

1220132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124589 (or 124587 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1220132012 is about 34930.3880883107. The cubic root of 1220132012 is about 1068.5682694000.

Adding to 1220132012 its reverse (2102310221), we get a palindrome (3322442233).

The spelling of 1220132012 in words is "one billion, two hundred twenty million, one hundred thirty-two thousand, twelve".

Divisors: 1 2 4 11 22 44 223 446 892 2453 4906 9812 124351 248702 497404 1367861 2735722 5471444 27730273 55460546 110921092 305033003 610066006 1220132012