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12011211092 = 228933739357
BaseRepresentation
bin10110010111110110…
…01000100101010100
31011000002012202002002
423023323020211110
5144044332223332
65303505534432
7603435416066
oct131373104524
934002182062
1012011211092
115104019741
1223b2644418
13119558b6ca
1481d2d9736
154a4737562
hex2cbec8954

12011211092 has 12 divisors (see below), whose sum is σ = 21255795540. Its totient is φ = 5938126656.

The previous prime is 12011211067. The next prime is 12011211109. The reversal of 12011211092 is 29011211021.

12011211092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7848896836 + 4162314256 = 88594^2 + 64516^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16869323 + ... + 16870034.

It is an arithmetic number, because the mean of its divisors is an integer number (1771316295).

Almost surely, 212011211092 is an apocalyptic number.

It is an amenable number.

12011211092 is a deficient number, since it is larger than the sum of its proper divisors (9244584448).

12011211092 is a wasteful number, since it uses less digits than its factorization.

12011211092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33739450 (or 33739448 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 12011211092 in words is "twelve billion, eleven million, two hundred eleven thousand, ninety-two".

Divisors: 1 2 4 89 178 356 33739357 67478714 134957428 3002802773 6005605546 12011211092