Search a number
-
+
12112012220110 = 2511713218948179
BaseRepresentation
bin1011000001000000110000…
…1011111001011011001110
31120212220012221211110020021
42300100030023321123032
53041420400112020420
641432103120412354
72360030645121625
oct260201413713316
946786187743207
1012112012220110
11394a748158740
1214374804770ba
1369b208a5207a
142dc32011c6bc
151600db9e17aa
hexb040c2f96ce

12112012220110 has 64 divisors (see below), whose sum is σ = 24119817638400. Its totient is φ = 4342109699200.

The previous prime is 12112012220107. The next prime is 12112012220117. The reversal of 12112012220110 is 1102221021121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112012220117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251372001 + ... + 251420179.

It is an arithmetic number, because the mean of its divisors is an integer number (376872150600).

Almost surely, 212112012220110 is an apocalyptic number.

12112012220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112012220110 is a deficient number, since it is larger than the sum of its proper divisors (12007805418290).

12112012220110 is a wasteful number, since it uses less digits than its factorization.

12112012220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80457.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12112012220110 its reverse (1102221021121), we get a palindrome (13214233241231).

The spelling of 12112012220110 in words is "twelve trillion, one hundred twelve billion, twelve million, two hundred twenty thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 71 110 142 355 710 781 1562 3905 7810 32189 48179 64378 96358 160945 240895 321890 354079 481790 529969 708158 1059938 1770395 2285419 2649845 3420709 3540790 4570838 5299690 6841418 11427095 17103545 22854190 25139609 34207090 37627799 50279218 75255598 125698045 188138995 251396090 376277990 1550833831 3101667662 7754169155 15508338310 17059172141 34118344282 85295860705 110109202001 170591721410 220218404002 550546010005 1101092020010 1211201222011 2422402444022 6056006110055 12112012220110