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12111100100202 = 232387761594929
BaseRepresentation
bin1011000000111101010111…
…0100011011111001101010
31120212210212101111221221110
42300033111310123321222
53041412013111201302
641431432414451150
72356666231204125
oct260172564337152
946783771457843
1012111100100202
11394a31a2a8534
121437266b03ab6
1369b0c1aa3c4c
142dc274d293bc
151600868bdb6c
hexb03d5d1be6a

12111100100202 has 16 divisors (see below), whose sum is σ = 25275339339840. Its totient is φ = 3861510176832.

The previous prime is 12111100100153. The next prime is 12111100100219. The reversal of 12111100100202 is 20200100111121.

It is a super-2 number, since 2×121111001002022 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43880797327 + ... + 43880797602.

It is an arithmetic number, because the mean of its divisors is an integer number (1579708708740).

Almost surely, 212111100100202 is an apocalyptic number.

12111100100202 is an abundant number, since it is smaller than the sum of its proper divisors (13164239239638).

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

12111100100202 is a wasteful number, since it uses less digits than its factorization.

12111100100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87761594957.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12111100100202 its reverse (20200100111121), we get a palindrome (32311200211323).

The spelling of 12111100100202 in words is "twelve trillion, one hundred eleven billion, one hundred million, one hundred thousand, two hundred two".

Divisors: 1 2 3 6 23 46 69 138 87761594929 175523189858 263284784787 526569569574 2018516683367 4037033366734 6055550050101 12111100100202