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12011201310 = 2351921072283
BaseRepresentation
bin10110010111110110…
…00110001100011110
31011000002012020122210
423023323012030132
5144044331420220
65303505421250
7603435345423
oct131373061436
934002166583
1012011201310
115104012359
1223b263a826
131195587114
1481d2d5d4a
154a47346e0
hex2cbec631e

12011201310 has 32 divisors (see below), whose sum is σ = 30344088960. Its totient is φ = 3034408608.

The previous prime is 12011201303. The next prime is 12011201351. The reversal of 12011201310 is 1310211021.

It is a super-2 number, since 2×120112013102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10535572 + ... + 10536711.

It is an arithmetic number, because the mean of its divisors is an integer number (948252780).

Almost surely, 212011201310 is an apocalyptic number.

12011201310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011201310 is an abundant number, since it is smaller than the sum of its proper divisors (18332887650).

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

12011201310 is a wasteful number, since it uses less digits than its factorization.

12011201310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21072312.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 12011201310 its reverse (1310211021), we get a palindrome (13321412331).

The spelling of 12011201310 in words is "twelve billion, eleven million, two hundred one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 21072283 42144566 63216849 105361415 126433698 210722830 316084245 400373377 632168490 800746754 1201120131 2001866885 2402240262 4003733770 6005600655 12011201310