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13212011130 = 235873150441
BaseRepresentation
bin11000100110111111…
…10100101001111010
31021002202201201001120
430103133310221322
5204024233324010
610023003130110
7645256145613
oct142337645172
937082651046
1013212011130
11566a92156a
122688813936
1313272a3086
148d4996c0a
15524d7ee70
hex3137f4a7a

13212011130 has 32 divisors (see below), whose sum is σ = 31713087168. Its totient is φ = 3522729600.

The previous prime is 13212011123. The next prime is 13212011147. The reversal of 13212011130 is 3111021231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236710 + ... + 287150.

It is an arithmetic number, because the mean of its divisors is an integer number (991033974).

Almost surely, 213212011130 is an apocalyptic number.

13212011130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13212011130 is an abundant number, since it is smaller than the sum of its proper divisors (18501076038).

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

13212011130 is a wasteful number, since it uses less digits than its factorization.

13212011130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59182.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13212011130 its reverse (3111021231), we get a palindrome (16323032361).

The spelling of 13212011130 in words is "thirteen billion, two hundred twelve million, eleven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 8731 17462 26193 43655 50441 52386 87310 100882 130965 151323 252205 261930 302646 504410 756615 1513230 440400371 880800742 1321201113 2202001855 2642402226 4404003710 6606005565 13212011130