Search a number
-
+
12101100211112 = 2311137512502399
BaseRepresentation
bin1011000000011000000111…
…0001111000101110101000
31120211212001110221221221212
42300012001301320232220
53041231023123223422
641423100234252252
72356163354433413
oct260060161705650
946755043857855
1012101100211112
113946058659890
121435335b87088
1369a18a125103
142db9a6bd4b7a
1515eb9da339e2
hexb0181c78ba8

12101100211112 has 16 divisors (see below), whose sum is σ = 24752250432000. Its totient is φ = 5500500095920.

The previous prime is 12101100211091. The next prime is 12101100211121. The reversal of 12101100211112 is 21111200110121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68756251112 + ... + 68756251287.

It is an arithmetic number, because the mean of its divisors is an integer number (1547015652000).

Almost surely, 212101100211112 is an apocalyptic number.

It is an amenable number.

12101100211112 is an abundant number, since it is smaller than the sum of its proper divisors (12651150220888).

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

12101100211112 is a wasteful number, since it uses less digits than its factorization.

12101100211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137512502416 (or 137512502412 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12101100211112 its reverse (21111200110121), we get a palindrome (33212300321233).

The spelling of 12101100211112 in words is "twelve trillion, one hundred one billion, one hundred million, two hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 137512502399 275025004798 550050009596 1100100019192 1512637526389 3025275052778 6050550105556 12101100211112